Fix snyk check failed

Run snyk/actions/docker@master failed: ENOENT: no such file or directory, open 'Dockerfile'

Author: martinussuherman

.github/workflows/snyk-docker-amd64.yml

@@ -29,7 +29,7 @@ jobs:
         SNYK_TOKEN: ${{ secrets.SNYK_TOKEN }}
       with:
         image: martinussuherman/alpine-code-server:amd64
-        args: --file=Dockerfile
+        args: --file=amd64/Dockerfile
 
     - name: Upload result to GitHub Code Scanning
       uses: github/codeql-action/upload-sarif@v1