CI: speedup 'Check Asset Sizes' job (take 2) (#49992)

.github/workflows/ci.yml

@@ -207,7 +207,7 @@ jobs:
         'project-lint-jobs',
         'project-test-jobs',
       ]
-    if: ${{ always() && github.event_name == 'pull_request' }}
+    if: ${{ !cancelled() && github.event_name == 'pull_request' }}
     steps:
       - uses: 'actions/checkout@v4'
         name: 'Checkout'
@@ -330,8 +330,12 @@ jobs:
   
   report-flaky-tests:
     name: 'Create issues for flaky tests'
-    if: ${{ !cancelled() && ! github.event.pull_request.head.repo.fork }}
+    if: ${{ !cancelled() && ! github.event.pull_request.head.repo.fork && needs.project-jobs.outputs.test-jobs != '[]' }}
-    needs: [ 'project-test-jobs' ]
+    needs:
+      [
+        'project-jobs',
+        'project-test-jobs',
+      ]
     runs-on: ubuntu-latest
     permissions:
       contents: read

.github/workflows/pr-assess-bundle-size.yml

@@ -47,9 +47,13 @@ jobs:
                   pull-package-deps: '@woocommerce/plugin-woocommerce'
 
             - uses: preactjs/compressed-size-action@f780fd104362cfce9e118f9198df2ee37d12946c
+              env:
+                  BROWSERSLIST_IGNORE_OLD_DATA: true
               with:
                   repo-token: '${{ secrets.GITHUB_TOKEN }}'
                   pattern: './{packages/js/!(*e2e*|*internal*|*test*|*plugin*|*create*),plugins/woocommerce-blocks}/{build,build-style}/**/*.{js,css}'
+                  install-script: 'pnpm install --filter="@woocommerce/plugin-woocommerce..." --frozen-lockfile --config.dedupe-peer-dependents=false'
+                  build-script: '--filter="@woocommerce/plugin-woocommerce" build'
                   clean-script: '--if-present buildclean'
                   minimum-change-threshold: 100
                   omit-unchanged: true