migrate CI to gitea

inventory.nix

@@ -97,27 +97,23 @@
   nix-lxc = {
     devices = {
       "nix-builder" = {
-        # GitHub Actions self-hosted runner configuration
+        # Gitea Actions self-hosted runner configuration
         athenix.sw = {
           type = [
             "headless"
             "builders"
           ];
-          builders.githubRunner = {
+          builders.giteaRunner = {
             enable = true;
-            url = "https://github.com/UGA-Innovation-Factory/nixos-systems";
-            # Token file must be created manually at this path with a GitHub PAT
-            # that has repo access. Generate at: https://github.com/settings/tokens
-            # echo "YOUR_TOKEN_HERE" | sudo tee /var/lib/github-runner-token > /dev/null
-            tokenFile = "/var/lib/github-runner-token";
+            url = "https://git.factory.uga.edu";
+            # Token file must be created manually at this path with a Gitea runner token
+            # Generate in repository settings: Settings > Actions > Runners > Create new Runner
+            # echo "YOUR_TOKEN_HERE" | sudo tee /var/lib/gitea-runner-token > /dev/null
+            tokenFile = "/var/lib/gitea-runner-token";
             # Labels to identify this runner in workflows
             extraLabels = [ "nix-builder" ];
-            # User to run the runner as
-            user = "engr-ugaif";
-            # Working directory for runner
-            workDir = "/var/lib/github-runner";
             # Runner service name
-            name = "nixos-systems";
+            name = "athenix";
           };
         };
       };