Bump ava from 1.1.0 to 1.2.1

Bumps [ava](https://github.com/avajs/ava) from 1.1.0 to 1.2.1.
- [Release notes](https://github.com/avajs/ava/releases)
- [Commits](avajs/ava@v1.1.0...v1.2.1)

Signed-off-by: dependabot[bot] <support@dependabot.com>

yarn.lock

@@ -64,12 +64,12 @@
     semver "^5.4.1"
     source-map "^0.5.0"
 
-"@babel/generator@^7.0.0", "@babel/generator@^7.2.2":
-  version "7.3.0"
-  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.3.0.tgz#f663838cd7b542366de3aa608a657b8ccb2a99eb"
-  integrity sha512-dZTwMvTgWfhmibq4V9X+LMf6Bgl7zAodRn9PvcPdhlzFMbvUutx74dbEv7Atz3ToeEpevYEJtAwfxq/bDCzHWg==
+"@babel/generator@^7.0.0", "@babel/generator@^7.2.2", "@babel/generator@^7.3.0":
+  version "7.3.2"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.3.2.tgz#fff31a7b2f2f3dad23ef8e01be45b0d5c2fc0132"
+  integrity sha512-f3QCuPppXxtZOEm5GWPra/uYUjmNQlu9pbAD8D/9jze4pTY83rTtB1igTBSwvkeNlC5gR24zFFkz+2WHLFQhqQ==
   dependencies:
-    "@babel/types" "^7.3.0"
+    "@babel/types" "^7.3.2"
     jsesc "^2.5.1"
     lodash "^4.17.10"
     source-map "^0.5.0"
@@ -318,6 +318,15 @@
     lodash "^4.17.10"
     to-fast-properties "^2.0.0"
 
+"@babel/types@^7.3.2":
+  version "7.3.2"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.3.2.tgz#424f5be4be633fff33fb83ab8d67e4a8290f5a2f"
+  integrity sha512-3Y6H8xlUlpbGR+XvawiH0UXehqydTmNmEpozWcXymqwcrwYAl5KMvKtQ+TF6f6E08V6Jur7v/ykdDSF+WDEIXQ==
+  dependencies:
+    esutils "^2.0.2"
+    lodash "^4.17.10"
+    to-fast-properties "^2.0.0"
+
 "@concordance/react@^2.0.0":
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/@concordance/react/-/react-2.0.0.tgz#aef913f27474c53731f4fd79cc2f54897de90fde"
@@ -572,15 +581,15 @@ atob@^2.1.1:
   integrity sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg==
 
 ava@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/ava/-/ava-1.1.0.tgz#94364161abbaa401331ea48d349331df230745c0"
-  integrity sha512-DVUsqzheRu3P0olLgZVWekAmJmO/a8bseest+vTBEGTm/lbrRdAjggzy7Vsj1+C7SCUn8GRXrmjZi1zvqaWb/A==
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/ava/-/ava-1.2.1.tgz#c9b55fda5663fbfad88df37d5cdac56f29347c1b"
+  integrity sha512-EHqbPGdd8aNvlvRNL7liD1J9Auf9kByHj5Zi7zF7Z5ukn2ZStZgVBf7LSqirKIOWScB3XZzFQbO59SnTvzD5kA==
   dependencies:
     "@ava/babel-preset-stage-4" "^2.0.0"
     "@ava/babel-preset-transform-test-files" "^4.0.1"
     "@ava/write-file-atomic" "^2.2.0"
     "@babel/core" "^7.2.2"
-    "@babel/generator" "^7.2.2"
+    "@babel/generator" "^7.3.0"
     "@babel/plugin-syntax-async-generators" "^7.2.0"
     "@babel/plugin-syntax-object-rest-spread" "^7.2.0"
     "@babel/plugin-syntax-optional-catch-binding" "^7.2.0"
@@ -612,7 +621,7 @@ ava@^1.1.0:
     empower-core "^1.2.0"
     equal-length "^1.0.0"
     escape-string-regexp "^1.0.5"
-    esm "^3.0.84"
+    esm "^3.1.3"
     figures "^2.0.0"
     find-up "^3.0.0"
     get-port "^4.1.0"
@@ -640,7 +649,7 @@ ava@^1.1.0:
     multimatch "^3.0.0"
     observable-to-promise "^0.5.0"
     ora "^3.0.0"
-    package-hash "^2.0.0"
+    package-hash "^3.0.0"
     pkg-conf "^2.1.0"
     plur "^3.0.1"
     pretty-ms "^4.0.0"
@@ -1515,10 +1524,10 @@ eslint@^5.12.0:
     table "^5.0.2"
     text-table "^0.2.0"
 
-esm@^3.0.84:
-  version "3.1.3"
-  resolved "https://registry.yarnpkg.com/esm/-/esm-3.1.3.tgz#63b025cda7c10caa4a8d759b877a860daf9c5a45"
-  integrity sha512-W5DKpMvvvtdn4Wzwl9scBUlsdiy4sXALG5oKIrCgnalg6db6vAztKVHWfOW4R8TlFvXlZDjipXSTrqhJDHpdRg==
+esm@^3.1.3:
+  version "3.2.4"
+  resolved "https://registry.yarnpkg.com/esm/-/esm-3.2.4.tgz#0b728b5d6043061bf552197407bf2c630717812b"
+  integrity sha512-wOuWtQCkkwD1WKQN/k3RsyGSSN+AmiUzdKftn8vaC+uV9JesYmQlODJxgXaaRz0LaaFIlUxZaUu5NPiUAjKAAA==
 
 espower-location-detector@^1.0.0:
   version "1.0.0"
@@ -1974,7 +1983,7 @@ got@^9.0.0:
     to-readable-stream "^1.0.0"
     url-parse-lax "^3.0.0"
 
-graceful-fs@^4.1.11, graceful-fs@^4.1.2:
+graceful-fs@^4.1.11, graceful-fs@^4.1.15, graceful-fs@^4.1.2:
   version "4.1.15"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.15.tgz#ffb703e1066e8a0eeaa4c8b80ba9253eeefbfb00"
   integrity sha512-6uHUhOPEBgQ24HM+r6b/QwWfZq+yiFcipKFrOFiBEnWdy5sdzYoi+pJeQaPI5qOLRFqWmAXUPQNsielzdLoecA==
@@ -2044,6 +2053,13 @@ has@^1.0.3:
   dependencies:
     function-bind "^1.1.1"
 
+hasha@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/hasha/-/hasha-3.0.0.tgz#52a32fab8569d41ca69a61ff1a214f8eb7c8bd39"
+  integrity sha1-UqMvq4Vp1BymmmH/GiFPjrfIvTk=
+  dependencies:
+    is-stream "^1.0.1"
+
 hosted-git-info@^2.1.4, hosted-git-info@^2.7.1:
   version "2.7.1"
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.7.1.tgz#97f236977bd6e125408930ff6de3eec6281ec047"
@@ -2468,7 +2484,7 @@ is-scoped@^1.0.0:
   dependencies:
     scoped-regex "^1.0.0"
 
-is-stream@^1.0.0, is-stream@^1.1.0:
+is-stream@^1.0.0, is-stream@^1.0.1, is-stream@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
   integrity sha1-EtSj3U5o4Lec6428hBc66A2RykQ=
@@ -3390,14 +3406,14 @@ p-try@^2.0.0:
   resolved "https://registry.yarnpkg.com/p-try/-/p-try-2.0.0.tgz#85080bb87c64688fa47996fe8f7dfbe8211760b1"
   integrity sha512-hMp0onDKIajHfIkdRk3P4CdCmErkYAxxDtP3Wx/4nZ3aGlau2VKh3mZpcuFkH27WQkL/3WBCPOktzA9ZOAnMQQ==
 
-package-hash@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/package-hash/-/package-hash-2.0.0.tgz#78ae326c89e05a4d813b68601977af05c00d2a0d"
-  integrity sha1-eK4ybIngWk2BO2hgGXevBcANKg0=
+package-hash@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/package-hash/-/package-hash-3.0.0.tgz#50183f2d36c9e3e528ea0a8605dff57ce976f88e"
+  integrity sha512-lOtmukMDVvtkL84rJHI7dpTYq+0rli8N2wlnqUcBuDWCfVhRUfOmnR9SsoHFMLpACvEV60dX7rd0rFaYDZI+FA==
   dependencies:
-    graceful-fs "^4.1.11"
+    graceful-fs "^4.1.15"
+    hasha "^3.0.0"
     lodash.flattendeep "^4.4.0"
-    md5-hex "^2.0.0"
     release-zalgo "^1.0.0"
 
 package-json@^4.0.0: