ci: update ci for cluster

.gitea/workflows/build_docs.yml

@@ -7,8 +7,7 @@ on:
 
 jobs:
   build-docs:
-    runs-on: ubuntu-latest
-
+    runs-on: garm-k8s
     container: gitea.shrukanslab.xyz/sl-devs/cpp-template/dev-environment:latest
     steps:
       - name: Check out repository code
@@ -20,12 +19,9 @@ jobs:
       - name: Build docs
         run: just docs
 
-      - name: Compress docs
-        run: tar -czf build/docs.tar.gz build/docs
-
       - name: Archive docs
         uses: actions/upload-artifact@v3
         with:
           name: docs
-          path: build/docs.tar.gz
+          path: build/docs
           retention-days: 5