👷 build: add GHCR as fallback registry

Author: hezhijie0327

.github/workflows/main.yml

@@ -1,4 +1,4 @@
-# Current Version: 1.0.8
+# Current Version: 1.0.9
 
 name: Build & Push chat-plugin-searxng-search
 
@@ -22,7 +22,13 @@ jobs:
               with:
                   username: ${{ secrets.DOCKERHUB_USERNAME }}
                   password: ${{ secrets.DOCKERHUB_TOKEN }}
-            - name: Step 5 - Build lobechat:searxng
+            - name: Step 5 - Login to GHCR
+              uses: docker/login-action@v3
+              with:
+                  registry: ghcr.io
+                  username: ${{ secrets.GHCR_USERNAME }}
+                  password: ${{ secrets.GHCR_TOKEN }}
+            - name: Step 6 - Build lobechat:searxng
               uses: docker/build-push-action@v5
               with:
                   build-args: |
@@ -32,3 +38,4 @@ jobs:
                   push: true
                   tags: |
                       hezhijie0327/lobechat:searxng
+                      ghcr.io/hezhijie0327/lobechat:searxng