chore: layert cache profile fix

Author: lklimek

.github/actions/docker/action.yaml

@@ -170,7 +170,9 @@ runs:
     - name: Build and push Docker image ${{ inputs.image }}
       id: docker_build
       uses: docker/build-push-action@v6
-      env: ${{ steps.layer_cache_settings.outputs.env_vars }}
+      env:
+        # AWS profile to be used by layer cache; sccache settings are passed via build-args
+        AWS_PROFILE: ${{ steps.layer_cache_settings.outputs.aws_profile }}
       with:
         context: .
         builder: ${{ steps.buildx.outputs.name }}

.github/actions/s3-layer-cache-settings/action.yaml

@@ -45,11 +45,9 @@ outputs:
   cache_from:
     description: "String with s3-based cache configuration for docker buildx cache-from option"
     value: ${{ steps.script.outputs.cache_from }}
-  env_vars:
-    description: "Environment variables to set before running docker buildx"
-    value: |
-      AWS_PROFILE=docker-layers
-      AWS_SHARED_CREDENTIALS_FILE=${HOME}/.aws/credentials
+  aws_profile:
+    description: "AWS profile to use for s3 cache, to set inside AWS_PROFILE env var"
+    value: docker-layers
 
 runs:
   using: composite