Update snowflake-docker.yml

Added note to line 27 about using version specific alpine in Dockerfile

.github/workflows/snowflake-docker.yml

@@ -24,7 +24,7 @@ jobs:
     - name: Set up Docker
       uses: docker/setup-buildx-action@v2
 
-    - name: Build Docker Image
+    - name: Build Docker Image #Use version specific alpine version of dockerfile
       run: |
         docker build --build-arg PGVER=${{ matrix.pgver }} -t snowflake .