ci: add known_hosts and force SSH for git.4nkweb.com

.gitea/workflows/dev.yml

@@ -3,8 +3,6 @@ on:
   push:
     branches:
       - '*'
-    paths:
-      - '.ci/tag.env'
 jobs:
   build-and-push:
     runs-on: docker
@@ -14,6 +12,14 @@ jobs:
         with:
           fetch-depth: 0
           submodules: recursive
+      - name: Set up SSH agent
+        uses: webfactory/ssh-agent@v0.9.1
+        with:
+          ssh-private-key: ${{ secrets.SSH_PRIVATE_KEY }}
+      - name: Trust Gitea host and force SSH for git.4nkweb.com
+        run: |
+          ssh-keyscan -H git.4nkweb.com >> ~/.ssh/known_hosts
+          git config --global url.ssh://git@git.4nkweb.com/.insteadOf https://git.4nkweb.com/
       - name: Setup Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Login to Gitea Registry