build: downgrade ibazel version to v0.12.0

We recently updated to ibazel v0.12.2. This version seems to have
regressed with their `@bazel/bazelisk` support.

To keep our development workflow working, we downgrade until the
issue has been fixed upstream:
bazelbuild/bazel-watcher#352

Author: devversion

WORKSPACE

@@ -49,13 +49,17 @@ node_repositories(
 
 yarn_install(
     name = "npm",
+    # Redirects Yarn `stdout` output to `stderr`. This ensures that stdout is not
+    # accidentally polluted when Bazel runs Yarn.
+    args = ["2>&1"],
     # We add the postinstall patches file, and ngcc main fields update script here so
     # that Yarn will rerun whenever one of these files has been modified.
     data = [
         "//:tools/postinstall/apply-patches.js",
         "//:tools/postinstall/update-ngcc-main-fields.js",
     ],
     package_json = "//:package.json",
+    quiet = False,
     yarn_lock = "//:yarn.lock",
 )
 

package.json

@@ -71,7 +71,7 @@
     "@angular/router": "^9.0.5",
     "@bazel/bazelisk": "^1.3.0",
     "@bazel/buildifier": "^0.29.0",
-    "@bazel/ibazel": "^0.12.2",
+    "@bazel/ibazel": "0.12.0",
     "@bazel/jasmine": "^1.4.0",
     "@bazel/karma": "^1.4.0",
     "@bazel/protractor": "^1.4.0",

yarn.lock

@@ -260,10 +260,10 @@
     "@bazel/buildifier-linux_x64" "0.29.0"
     "@bazel/buildifier-win32_x64" "0.29.0"
 
-"@bazel/ibazel@^0.12.2":
-  version "0.12.2"
-  resolved "https://registry.yarnpkg.com/@bazel/ibazel/-/ibazel-0.12.2.tgz#98a290dbf8025076dd3040eab4f13a3d7e99357c"
-  integrity sha512-CktVREceZn+6VokQ7A2qByuXBSGRM0THuyv68JUShHYyCkYS94nYMZEIe5NXk12CRzcpMLfZGD5Gdtr+jWs9pw==
+"@bazel/[email protected].0":
+  version "0.12.0"
+  resolved "https://registry.yarnpkg.com/@bazel/ibazel/-/ibazel-0.12.0.tgz#97aea5ee2d41d91995539df89efe11fd3fe128ca"
+  integrity sha512-8ix3hmaV30xD9FIa9aJBtKhxUOBDo0NEULgOhgz5c8nytnD0ipPWqssWWq0iFU8oRBHpvNnuIESbzL1h/LU5iw==
 
 "@bazel/jasmine@^1.4.0":
   version "1.4.0"