Bump guardian/actions-riff-raff in /.github/workflows

Bumps [guardian/actions-riff-raff](https://github.com/guardian/actions-riff-raff) from 4.3.3 to 4.3.4.
- [Release notes](https://github.com/guardian/actions-riff-raff/releases)
- [Commits](guardian/actions-riff-raff@v4.3.3...v4.3.4)

---
updated-dependencies:
- dependency-name: guardian/actions-riff-raff
  dependency-version: 4.3.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/ab-testing-ci.yml

@@ -194,7 +194,7 @@ jobs:
         run: pnpm  --filter @guardian/ab-testing-cdk synth
 
       - name: Riff-Raff Upload
-        uses: guardian/actions-riff-raff@v4.3.3
+        uses: guardian/actions-riff-raff@v4.3.4
         with:
           roleArn: ${{ secrets.GU_RIFF_RAFF_ROLE_ARN }}
           githubToken: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/publish.yml

@@ -55,7 +55,7 @@ jobs:
 
       # All rendering apps deployment
       - name: Upload rendering apps to RiffRaff
-        uses: guardian/actions-riff-raff@v4.3.3
+        uses: guardian/actions-riff-raff@v4.3.4
         with:
           githubToken: ${{ secrets.GITHUB_TOKEN }}
           roleArn: ${{ secrets.GU_RIFF_RAFF_ROLE_ARN }}