chore: correct path to docker build

Author: bhouston

.github/workflows/deploy-docs.yml

@@ -44,7 +44,7 @@ jobs:
       - name: Build and push Docker container
         run: |
           cd packages/docs
-          docker build -t ${{ env.IMAGE_PATH }} .
+          docker build -t ${{ env.IMAGE_PATH }} -f ./packages/docs/Dockerfile .
           docker push ${{ env.IMAGE_PATH }}
 
       - name: Deploy to Cloud Run