chore: pin angular packages using = ranges

Author: christopherthielen

package.json

@@ -37,7 +37,7 @@
   },
   "devDependencies": {
     "@angular-devkit/build-angular": "~0.901.4",
-    "@angular/cli": "=9.1.4",
+    "@angular/cli": "9.1.4",
     "@angular/compiler-cli": "=9.1.4",
     "@angular/language-service": "=9.1.4",
     "@types/angular": "^1.7.0",

yarn.lock

@@ -122,7 +122,7 @@
   resolved "https://registry.yarnpkg.com/@angular/animations/-/animations-9.1.4.tgz#22f64a062103d4903f2c7d862889a88fc6553bc7"
   integrity sha512-gMo/DbCm5BDArladMAeC7/75T2DvhLr4CSUGJt/P/aimTEG2ywoAALs3pzwSSe4qxrHiR0OIksVW3l4km3iXEw==
 
-"@angular/cli@=9.1.4":
+"@angular/[email protected]":
   version "9.1.4"
   resolved "https://registry.yarnpkg.com/@angular/cli/-/cli-9.1.4.tgz#0c1938e2342bb3bcd978b32458ab20f1bf007ba5"
   integrity sha512-H9MqoT4zyIv+Yo3cvRVkzafWGHsqt7jUvtvGwMHIDMTfEX+Q8yiYlDLL6WM3Eb6/hDmLcRGC/GI495sKS1z5qA==