fix(Gitea): use default TERM signal

The HUP signal may result into forking the process into the backgroud, so it breaks the daemon.
Restarting or reloading are failing as the port is still in use by the forked instance.
https://github.com/alpinelinux/aports/commit/8a8c116a951f8c8a53be667e4697a76c97db93dc

gitea-update.sh

@@ -12,7 +12,15 @@ GITHUB_API_URL=https://api.github.com/repos/$ORG/$REPO/releases/latest
 function do_update_procedure
 {
   $GITEA_LOCATION manager flush-queues
+  gitea_pid=$(supervisorctl pid gitea)
+  echo "Process-ID is $gitea_pid"
   supervisorctl stop gitea
+  if [[ $gitea_pid -gt 0 ]] && (ps --pid "$gitea_pid" > /dev/null)
+  then echo "still running! - killing it..."; kill "$gitea_pid"
+  fi
+  if (lsof -nP -iTCP:3000 -sTCP:LISTEN)
+  then echo "port 3000 is still in use, abbort"; exit 1
+  fi
   wget --quiet --progress=bar:force --output-document "$TMP_LOCATION"/gitea "$DOWNLOAD_URL"
   verify_file
   mv --verbose "$TMP_LOCATION"/gitea "$GITEA_LOCATION"