Next 13.4 and React 18 (#40039)

.github/actions/cache-nextjs/action.yml

@@ -0,0 +1,18 @@
+# Based on https://nextjs.org/docs/pages/building-your-application/deploying/ci-build-caching#github-actions
+
+name: Cache Nextjs build cache
+
+description: Cache the .next/cache according to best practices
+
+runs:
+  using: 'composite'
+  steps:
+    - name: Cache .next/cache
+      uses: actions/cache@88522ab9f39a2ea568f7027eddc7d8d8bc9d59c8 # pin @3.3.1
+      with:
+        path: ${{ github.workspace }}/.next/cache
+        # Generate a new cache whenever packages or source files change.
+        key: ${{ runner.os }}-nextjs-${{ hashFiles('**/package-lock.json') }}-${{ hashFiles('**/*.ts', '**/*.tsx') }}
+        # If source files changed but packages didn't, rebuild from a prior cache.
+        restore-keys: |
+          ${{ runner.os }}-nextjs-v13-${{ hashFiles('**/package-lock.json') }}-