Bump yarn from 1.9.4 to 1.22.0

Bumps [yarn](https://github.com/yarnpkg/yarn) from 1.9.4 to 1.22.0.
- [Release notes](https://github.com/yarnpkg/yarn/releases)
- [Changelog](https://github.com/yarnpkg/yarn/blob/master/CHANGELOG.md)
- [Commits](yarnpkg/yarn@v1.9.4...v1.22.0)

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

Author: dependabot[bot]

package.json

@@ -76,7 +76,7 @@
     "task-graph-runner": "^1.0.1",
     "temp-write": "^3.4.0",
     "typeable-promisify": "^2.0.1",
-    "yarn": "^1.9.4"
+    "yarn": "^1.22.0"
   },
   "jest": {
     "resetMocks": true,

yarn.lock

@@ -4482,7 +4482,7 @@ yargs@~3.10.0:
     decamelize "^1.0.0"
     window-size "0.1.0"
 
-yarn@^1.9.4:
-  version "1.9.4"
-  resolved "https://registry.yarnpkg.com/yarn/-/yarn-1.9.4.tgz#3b82d8446b652775723900b470d966861976924b"
-  integrity sha1-O4LYRGtlJ3VyOQC0cNlmhhl2kks=
+yarn@^1.22.0:
+  version "1.22.0"
+  resolved "https://registry.yarnpkg.com/yarn/-/yarn-1.22.0.tgz#acf82906e36bcccd1ccab1cfb73b87509667c881"
+  integrity sha512-KMHP/Jq53jZKTY9iTUt3dIVl/be6UPs2INo96+BnZHLKxYNTfwMmlgHTaMWyGZoO74RI4AIFvnWhYrXq2USJkg==