refactor(ci): use native runner and durable incremental deploys

.gitea/runner/homelab-deploy@.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=Homelab deploy %i
+
+[Service]
+Type=exec
+EnvironmentFile=%h/.config/homelab-deploy/environment
+ExecStart=/usr/bin/python3 %h/.local/lib/homelab-deploy/controller.py execute %i
+ExecStopPost=/usr/bin/python3 %h/.local/lib/homelab-deploy/controller.py recover %i
+RuntimeMaxSec=5h
+TimeoutStopSec=135min
+KillMode=control-group
+UMask=0077