Bump yarn from 1.15.2 to 1.22.0 (#33)

Bumps [yarn](https://github.com/yarnpkg/yarn) from 1.15.2 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@v1.15.2...v1.22.0)

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Muhammad Vakili <[email protected]>

package.json

@@ -26,7 +26,7 @@
     "font-awesome": "^4.7.0",
     "ngx-pagination": "^3.1.1",
     "rxjs": "^6.0.0",
-    "yarn": "^1.15.2",
+    "yarn": "^1.22.0",
     "zone.js": "^0.8.26"
   },
   "devDependencies": {

yarn.lock

@@ -7467,9 +7467,9 @@ yargs@^7.0.0:
     y18n "^3.2.1"
     yargs-parser "^5.0.0"
 
-yarn@^1.15.2:
-  version "1.19.1"
-  resolved "https://registry.yarnpkg.com/yarn/-/yarn-1.19.1.tgz#14b92410dd1ba5bab87a12b4a3d807f4569bea97"
+yarn@^1.22.0:
+  version "1.22.0"
+  resolved "https://registry.yarnpkg.com/yarn/-/yarn-1.22.0.tgz#acf82906e36bcccd1ccab1cfb73b87509667c881"
 
 [email protected]:
   version "0.1.2"