forgejo-ci: do not check host key

.forgejo/workflows/push.yaml

@@ -4,6 +4,8 @@ jobs:
   deploy:
     runs-on: x86_64
     container: alpine:latest
+    env:
+      GIT_SSH_COMMAND: ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no
     steps:
       - name: Environment setup
         run: |
@@ -18,9 +20,6 @@ jobs:
           fetch-depth: 1
       - name: Website upload
         run: |
-          ping -c 3 ayakael.net
-          ssh-add -L
-          ssh -T pages@ayakael.net
           git remote set-url origin pages@ayakael.net:/var/lib/pages/ayakael.net
           git push -f