Update github actions to fix deprecation warnings

Warnings abou node 16 deprecation and moving to node20. Also,
upload artifact ation needs updating to v4, with some warning about
breaking changes.

See:
- https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/
- https://github.blog/changelog/2024-04-16-deprecation-notice-v3-of-the-artifact-actions/
    - breaking changes; https://github.com/actions/upload-artifact?tab=readme-ov-file#breaking-changes

.github/workflows/build-release.yml

@@ -36,16 +36,16 @@ jobs:
           outputs: apk
 
       - name: Upload APK
-        uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # Matches tag v3.1.3
-        # https://github.com/actions/upload-artifact/releases/tag/v3.1.3
+        uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808 # Matches tag v4.3.3
+        # https://github.com/actions/upload-artifact/releases/tag/v4.3.3
 
         with:
           name: apk
           path: apk/apolloui-prod-release-unsigned.apk
 
       - name: Upload mapping
-        uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # Matches tag v3.1.3
-        # https://github.com/actions/upload-artifact/releases/tag/v3.1.3
+        uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808 # Matches tag v4.3.3
+        # https://github.com/actions/upload-artifact/releases/tag/v4.3.3
 
         with:
           name: mapping

.github/workflows/pr.yml

@@ -37,8 +37,8 @@ jobs:
           outputs: apk
 
       - name: Upload APK
-        uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # Matches tag v3.1.3
-        # https://github.com/actions/upload-artifact/releases/tag/v3.1.3
+        uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808 # Matches tag v4.3.3
+        # https://github.com/actions/upload-artifact/releases/tag/v4.3.3
 
         with:
           name: apk