Fix: remove extra indentation in the run string

I think YAML is leaving the spaces in there and passing `  build-essential` to the shell. There is no package with a space in the name, especially not a leading space.

.gitea/workflows/release.yml

@@ -35,9 +35,9 @@ jobs:
         run: >
           apt-get update;
           apt-get install -y --no-install-recommends
-            build-essential
+          build-essential
-            git
+          git
-            git-buildpackage;
+          git-buildpackage;
       - name: Checkout Repo (can't use actions/checkout@v4, no NodeJS)
         run: git clone ${{ github.event.repository.clone_url }}
       - name: Switch to Debian package branch