(chore) bump prettier (#577)

To support the {#key} block introduced in Svelte 2.28.0

packages/language-server/package.json

@@ -50,8 +50,8 @@
         "cosmiconfig": "^7.0.0",
         "estree-walker": "^2.0.1",
         "lodash": "^4.17.19",
-        "prettier": "2.1.1",
-        "prettier-plugin-svelte": "~1.2.1",
+        "prettier": "2.1.2",
+        "prettier-plugin-svelte": "~1.4.0",
         "source-map": "^0.7.3",
         "svelte": "3.28.0",
         "svelte-preprocess": "~4.3.0",

yarn.lock

@@ -1643,15 +1643,15 @@ prelude-ls@^1.2.1:
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.2.1.tgz#debc6489d7a6e6b0e7611888cec880337d316396"
   integrity sha512-vkcDPrRZo1QZLbn5RLGPpg/WmIQ65qoWWhcGKf/b5eplkkarX0m9z8ppCat4mlOqUsWpyNuYgO3VRyrYHSzX5g==
 
-prettier-plugin-svelte@~1.2.1:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/prettier-plugin-svelte/-/prettier-plugin-svelte-1.2.1.tgz#2af472cb7ebf7f8254a132e44cce18ed3bf2ef6f"
-  integrity sha512-oULQ6cmqAVA3PmtgagM3139UXJHbLOLQjzGOKkH/pRQbT9vXcWQtbWXEO1fAePWQis5TiDgm2p/PIKh5w1fd/A==
+prettier-plugin-svelte@~1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/prettier-plugin-svelte/-/prettier-plugin-svelte-1.4.0.tgz#bb992759fb77ec2c3545d454a7c60f7a258cb745"
+  integrity sha512-KXO2He7Kql0Lz4DdlzVli1j2JTDUR9jPV/DqyfnJmY1pCeSV1qZkxgdsyYma35W6OLrCAr/G6yKdmzo+75u2Ng==
 
-prettier@2.1.1:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.1.1.tgz#d9485dd5e499daa6cb547023b87a6cf51bee37d6"
-  integrity sha512-9bY+5ZWCfqj3ghYBLxApy2zf6m+NJo5GzmLTpr9FsApsfjriNnS2dahWReHMi7qNPhhHl9SYHJs2cHZLgexNIw==
+prettier@2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.1.2.tgz#3050700dae2e4c8b67c4c3f666cdb8af405e1ce5"
+  integrity sha512-16c7K+x4qVlJg9rEbXl7HEGmQyZlG4R9AgP+oHKRMsMsuk8s+ATStlf1NpDqyBI1HpVyfjLOeMhH2LvuNvV5Vg==
 
 progress@^2.0.0:
   version "2.0.3"