[ci] use host buildx config

Signed-off-by: Andrei Kvapil <kvapss@gmail.com>

.github/workflows/pull-requests.yaml

@@ -27,15 +27,22 @@ jobs:
           fetch-depth: 0
           fetch-tags: true
 
+      - name: Set up Docker config
+        run: cp -r ~/.docker ${{ runner.temp }}/.docker
+
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v3
         with:
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
           registry: ghcr.io
+        env:
+          DOCKER_CONFIG: ${{ runner.temp }}/.docker
 
       - name: Build
         run: make build
+        env:
+          DOCKER_CONFIG: ${{ runner.temp }}/.docker
 
       - name: Build Talos image
         run: make -C packages/core/installer talos-nocloud

.github/workflows/tags.yaml

@@ -99,11 +99,15 @@ jobs:
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
           registry: ghcr.io
+        env:
+          DOCKER_CONFIG: ${{ runner.temp }}/.docker
 
       # Build project artifacts
       - name: Build
         if: steps.check_release.outputs.skip == 'false'
         run: make build
+        env:
+          DOCKER_CONFIG: ${{ runner.temp }}/.docker
 
       # Commit built artifacts
       - name: Commit release artifacts