build: update to latest @bazel/ibazel version (#36097)

Updates to the latest `@bazel/ibazel` version that properly
resolves local `@bazel/bazelisk` installations.

The support for this temporarily broke from `0.12.0` to `0.12.2`.
https://github.com/bazelbuild/bazel-watcher/issues/352.

PR Close #36097

packages/bazel/src/schematics/ng-add/index.ts

@@ -39,7 +39,7 @@ function addDevDependenciesToPackageJson(options: Schema) {
     const devDependencies: [string, string][] = [
       ['@angular/bazel', angularCore.version],
       ['@bazel/bazel', '2.1.0'],
-      ['@bazel/ibazel', '0.12.2'],
+      ['@bazel/ibazel', '0.12.3'],
       ['@bazel/karma', '1.4.1'],
       ['@bazel/protractor', '1.4.1'],
       ['@bazel/rollup', '1.4.1'],