Use gitea.token instead of secrets.GITEA_TOKEN in workflows

The built-in gitea.token is automatically available in Gitea
Actions without needing a repo secret configured.

.gitea/workflows/ci.yaml

@@ -83,5 +83,5 @@ jobs:
       - name: Push to registry
         if: gitea.event_name == 'push' || gitea.event_name == 'pull_request'
         run: |
-          echo "${{ secrets.GITEA_TOKEN }}" | docker login gitea.coreworlds.io -u ${{ gitea.actor }} --password-stdin
+          echo "${{ gitea.token }}" | docker login gitea.coreworlds.io -u ${{ gitea.actor }} --password-stdin
           docker push gitea.coreworlds.io/lazorgurl/homelab-${{ matrix.app }}:${{ gitea.sha }}

.gitea/workflows/deploy-preview.yaml

@@ -28,7 +28,7 @@ jobs:
       - name: Build and push images
         if: steps.changes.outputs.apps != ''
         run: |
-          echo "${{ secrets.GITEA_TOKEN }}" | docker login gitea.coreworlds.io -u ${{ gitea.actor }} --password-stdin
+          echo "${{ gitea.token }}" | docker login gitea.coreworlds.io -u ${{ gitea.actor }} --password-stdin
           IFS=',' read -ra APPS <<< "${{ steps.changes.outputs.apps }}"
           for app in "${APPS[@]}"; do
             docker build \

.gitea/workflows/deploy-production.yaml

@@ -28,7 +28,7 @@ jobs:
       - name: Build and push images
         if: steps.changes.outputs.apps != ''
         run: |
-          echo "${{ secrets.GITEA_TOKEN }}" | docker login gitea.coreworlds.io -u ${{ gitea.actor }} --password-stdin
+          echo "${{ gitea.token }}" | docker login gitea.coreworlds.io -u ${{ gitea.actor }} --password-stdin
           IFS=',' read -ra APPS <<< "${{ steps.changes.outputs.apps }}"
           for app in "${APPS[@]}"; do
             docker build \