fix: yarn lockfile

Fixes an incorrect version of angular/language-service in the lock file.
This should fix build failures on ci.

Author: zarend

yarn.lock

@@ -2,7 +2,7 @@
 # yarn lockfile v1
 
 
-"@angular/language-service@^11.2.1":
+"@angular/[email protected]":
   version "11.2.1"
   resolved "https://registry.yarnpkg.com/@angular/language-service/-/language-service-11.2.1.tgz#527ad4739b35d1cc701026f0033aab0b088c770a"
   integrity sha512-xJ6UNn3bWWDDfjf7C3F2DXAv8m2LQznxQgsPKdtHbypw5wWDbUVEqFk5sSt81g2TRiFrGYbDa9mChaKx3rttUA==