fix CODEBUILD__environmentVariablesOverride

.github/workflows/reusable-app-build-image.yml

@@ -60,6 +60,6 @@ jobs:
         CODEBUILD__imageOverride: ${{ (matrix.platform == 'amd64' && 'aws/codebuild/standard:6.0') || 'aws/codebuild/amazonlinux2-aarch64-standard:2.0' }}
         CODEBUILD__environmentTypeOverride: ${{ (matrix.platform == 'amd64' && 'LINUX_CONTAINER') || 'ARM_CONTAINER' }}
         CODEBUILD__environmentVariablesOverride: '[
-          "IMAGE_TAG": "docker.io/${{ inputs.image-name }}:${{ inputs.tag-temporary }}-${{ matrix.platform }}",
-          "IMAGE_TAG_GHCR": "ghcr.io/${{ inputs.image-name }}:${{ inputs.tag-temporary }}-${{ matrix.platform }}"
+          { "name": "IMAGE_TAG", "type": "PLAINTEXT", "value": "docker.io/${{ inputs.image-name }}:${{ inputs.tag-temporary }}-${{ matrix.platform }}" },
+          { "name": "IMAGE_TAG_GHCR", "type": "PLAINTEXT", "value": "ghcr.io/${{ inputs.image-name }}:${{ inputs.tag-temporary }}-${{ matrix.platform }}" }
         ]'