Bump buffer from 5.6.0 to 5.7.0

Bumps [buffer](https://github.com/feross/buffer) from 5.6.0 to 5.7.0.
- [Release notes](https://github.com/feross/buffer/releases)
- [Commits](feross/buffer@v5.6.0...v5.7.0)

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

package.json

@@ -40,7 +40,7 @@
     "base64-img": "^1.0.4",
     "bootstrap": "^3.4.1",
     "bootstrap-colorpicker": "^2.5.3",
-    "buffer": "~5.6.0",
+    "buffer": "~5.7.0",
     "commander": "^6.2.0",
     "compressorjs": "^1.0.5",
     "data-uri-to-buffer": "^3.0.0",

yarn.lock

@@ -1286,7 +1286,7 @@ base64-img@^1.0.4:
     ajax-request "^1.2.0"
     file-system "^2.1.0"
 
-base64-js@^1.0.2:
+base64-js@^1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.3.1.tgz#58ece8cb75dd07e71ed08c736abc5fac4dbf8df1"
   integrity sha512-mLQ4i2QO1ytvGWFWmcngKO//JXAQueZvwEKtjgQFM4jIK0kU+ytMfplL8j+n5mspOfjHwoAg+9yhb7BwAHm36g==
@@ -1808,13 +1808,13 @@ buffer-xor@^1.0.3:
   resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
   integrity sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk=
 
-buffer@^5.0.2, buffer@^5.2.1, buffer@^5.4.3, buffer@~5.6.0:
-  version "5.6.0"
-  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.6.0.tgz#a31749dc7d81d84db08abf937b6b8c4033f62786"
-  integrity sha512-/gDYp/UtU0eA1ys8bOs9J6a+E/KWIY+DZ+Q2WESNUA0jFRsJOc0SNUO6xJ5SGA1xueg3NL65W6s+NY5l9cunuw==
+buffer@^5.0.2, buffer@^5.2.1, buffer@^5.4.3, buffer@~5.7.0:
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.7.0.tgz#88afbd29fc89fa7b58e82b39206f31f2cf34feed"
+  integrity sha512-cd+5r1VLBwUqTrmnzW+D7ABkJUM6mr7uv1dv+6jRw4Rcl7tFIFHDqHPL98LhpGFn3dbAt3gtLxtrWp4m1kFrqg==
   dependencies:
-    base64-js "^1.0.2"
-    ieee754 "^1.1.4"
+    base64-js "^1.3.1"
+    ieee754 "^1.1.13"
 
 builtin-modules@^1.0.0:
   version "1.1.1"
@@ -5142,10 +5142,10 @@ iconv-lite@0.4.24, iconv-lite@^0.4.24, iconv-lite@^0.4.4, iconv-lite@~0.4.13:
   dependencies:
     safer-buffer ">= 2.1.2 < 3"
 
-ieee754@^1.1.4:
-  version "1.1.13"
-  resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.13.tgz#ec168558e95aa181fd87d37f55c32bbcb6708b84"
-  integrity sha512-4vf7I2LYV/HaWerSo3XmlMkp5eZ83i+/CDluXi/IGTs/O1sejBNhTtnxzmRZfvOUqj7lZjqHkeTvpgSFDlWZTg==
+ieee754@^1.1.13:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.2.1.tgz#8eb7a10a63fff25d15a57b001586d177d1b0d352"
+  integrity sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA==
 
 ignore-walk@^3.0.1:
   version "3.0.1"