maint: remove usage of Docker (#7)

I don't think this was a good idea

.gitea/workflows/ci.yml

@@ -13,14 +13,8 @@ jobs:
           lfs: false
 
       - name: Create release
-        uses: addnab/docker-run-action@v3
-        with:
-          image: ubuntu:noble
-          options: --volumes-from=${{ env.JOB_CONTAINER_NAME }}
-          run: |
-            cd ${{ github.workspace }}
-            export TZ=America/Los_Angeles
-            ./.gitea/scripts/ci.sh
+        run: |
+          ./.gitea/scripts/ci.sh
 
       - name: Upload release
         uses: actions/upload-artifact@v3