Update log statements

Author: R1kaB3rN

umu/umu_dl_util.py

@@ -38,7 +38,7 @@ def get_umu_proton(env: Dict[str, str]) -> Union[Dict[str, str]]:
         log.debug("Sending request to api.github.com")
         files = _fetch_releases()
     except gaierror:
-        pass  # User is offline
+        log.debug("Network is unreachable")
 
     # Download the latest Proton
     if _get_latest(env, STEAM_COMPAT, tmp, files):

umu/umu_run.py

@@ -350,7 +350,7 @@ def main() -> int:  # noqa: D103
 
     # Run
     build_command(env, UMU_LOCAL, command, opts)
-    log.debug(command)
+    log.debug("%s", command)
 
     return run(command).returncode