ci: migrate snapshot publish job to GHA

(cherry picked from commit 9c53c02)

Author: josephperrott

.circleci/config.yml

@@ -1,17 +1,16 @@
+# This config is remaining in place to prevent pull requests failing because of CircleCI config missing.
+
 version: 2.1
-orbs:
-  path-filtering: circleci/path-filtering@0.1.3
 
-# This allows you to use CircleCI's dynamic configuration feature
-setup: true
+jobs:
+  pass:
+    docker:
+      - image: cimg/base:2022.05
+    steps:
+      - run: echo "This too shall pass (always)"
 
 workflows:
-  run-filter:
+  version: 2
+  default_workflow:
     jobs:
-      - path-filtering/filter:
-          # Compare files on main
-          base-revision: main
-          # 3-column space-separated table for mapping; `path-to-test parameter-to-set value-for-parameter` for each row
-          mapping: |
-            tests/legacy-cli/e2e/ng-snapshot/package.json snapshot_changed true
-          config-path: '.circleci/dynamic_config.yml'
+      - pass

.circleci/dynamic_config.yml

@@ -191,3 +191,19 @@ jobs:
         with:
           name: sauce-connect-log
           path: ${{ env.SAUCE_CONNECT_DIR_IN_HOST }}/sauce-connect.log
+
+  publish-snapshots:
+    if: github.event_name == 'push'
+    runs-on: ubuntu-latest
+    env:
+      CIRCLE_BRANCH: ${{ github.ref_name }}
+    steps:
+      - name: Initialize environment
+        uses: angular/dev-infra/github-actions/npm/checkout-and-setup-node@395903265d96198c141160912e73787d4a1ca324
+      - name: Install node modules
+        run: yarn install --frozen-lockfile
+      - name: Setup Bazel
+        uses: angular/dev-infra/github-actions/bazel/setup@395903265d96198c141160912e73787d4a1ca324
+      - run: yarn admin snapshots --verbose
+        env:
+          SNAPSHOT_BUILDS_GITHUB_TOKEN: ${{ secrets.SNAPSHOT_BUILDS_GITHUB_TOKEN }}