ci: Use go 1.19 for proto build environment (#12854)

* Update Dockerfile

* Update proto-docker.yml

* Update Dockerfile

* Update proto-docker.yml

* Update proto-docker.yml

* Update CHANGELOG.md

* Update .github/workflows/proto-docker.yml

Co-authored-by: Marko <marko@baricevic.me>

* Update proto-docker.yml

Co-authored-by: Marko <marko@baricevic.me>
Co-authored-by: Marko <marbar3778@yahoo.com>

.github/workflows/proto-docker.yml

@@ -4,7 +4,10 @@ on:
     branches:
       - main
     paths:
-      - "contrib/devtools/dockerfile"
+      - "contrib/devtools/Dockerfile"
+  pull_request:
+    paths:
+      - "contrib/devtools/Dockerfile"
 
 permissions:
   contents: read
@@ -31,16 +34,20 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
 
-      - name: Login to DockerHub
-        uses: docker/login-action@v2
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v2 
+        if: ${{ github.event_name != 'pull_request' }}
         with:
-          username: ${{ secrets.DOCKERHUBTM_USERNAME }}
-          password: ${{ secrets.DOCKERHUBTM_TOKEN }}
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+          
 
-      - name: Publish to Docker Hub
+      - name: Publish to GHCR
         uses: docker/build-push-action@v3
         with:
           context: ./contrib/devtools
           platforms: linux/amd64,linux/arm64
-          push: true
+          push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.prep.outputs.tags }}
+          name: ghcr.io/cosmos/proto-builder