BAU: Bump govuk-one-login/devplatform-upload-action-ecr

Bumps [govuk-one-login/devplatform-upload-action-ecr](https://github.com/govuk-one-login/devplatform-upload-action-ecr) from 1.2.0 to 1.2.4.
- [Release notes](https://github.com/govuk-one-login/devplatform-upload-action-ecr/releases)
- [Commits](govuk-one-login/devplatform-upload-action-ecr@1.2.0...1.2.4)

---
updated-dependencies:
- dependency-name: govuk-one-login/devplatform-upload-action-ecr
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

.github/workflows/post-merge-deploy-to-dev.yml

@@ -40,7 +40,7 @@ jobs:
           password: ${{ secrets.DYNATRACE_PAAS_TOKEN }}
 
       - name: "Push signed image to ECR, updated SAM template with image then upload it to the S3 Artifact Bucket"
-        uses: govuk-one-login/devplatform-upload-action-ecr@1.2.0
+        uses: govuk-one-login/devplatform-upload-action-ecr@1.2.4
         with:
           artifact-bucket-name: ${{ secrets.AWS_DEV_DEPLOY_PASSPORTA_FRONT_DEV_ARTIFACT_BUCKET_NAME }}
           template-file: deploy/template.yaml

.github/workflows/secure-post-merge.yml

@@ -47,7 +47,7 @@ jobs:
           cosign-release: 'v1.9.0'
 
       - name: "Push signed image to ECR, updated SAM template with image then upload it to the S3 Artifact Bucket"
-        uses: govuk-one-login/devplatform-upload-action-ecr@1.2.0
+        uses: govuk-one-login/devplatform-upload-action-ecr@1.2.4
         with:
           artifact-bucket-name: ${{ secrets.ARTIFACT_BUCKET_NAME }}
           template-file: deploy/template.yaml