fix: ci login

.github/workflows/ci.yml

@@ -142,12 +142,12 @@ jobs:
       - name: Setup the Crossplane CLI
         run: "curl -sL https://raw.githubusercontent.com/crossplane/crossplane/master/install.sh | sh"
 
-      - name: Login to Upbound
+      - name: Login to GHCR
         uses: docker/login-action@v3
-        if: env.XPKG_ACCESS_ID != ''
+        if: secrets.DOCKER_USERNAME != ''
         with:
-          registry: xpkg.upbound.io
-          username: ${{ secrets.XPKG_ACCESS_ID }}
+          registry: ghcr.io
+          username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
       # If a version wasn't explicitly passed as a workflow_dispatch input we
@@ -159,5 +159,5 @@ jobs:
         run: echo "XPKG_VERSION=v0.0.0-$(date -d@$(git show -s --format=%ct) +%Y%m%d%H%M%S)-$(git rev-parse --short=12 HEAD)" >> $GITHUB_ENV
 
       - name: Push Multi-Platform Package to Upbound
-        if: env.XPKG_ACCESS_ID != ''
+        if: secrets.DOCKER_USERNAME != ''
         run: "./crossplane --verbose xpkg push --package-files $(echo *.xpkg|tr ' ' ,) ${{ env.XPKG }}:${{ env.XPKG_VERSION }}"