Do not use bare except (MR 2325)

A bare except catches things like ctrl+c (KeyboardInterrupt). If don't
want to catch this exception. Remove the bare except and restore the
default lint.

pmb/config/init.py

@@ -263,7 +263,7 @@ def ask_for_timezone():
             if os.path.exists(tzpath):
                 try:
                     _, tz = tzpath.split(zoneinfo_path)
-                except:
+                except BaseException:
                     pass
         if tz:
             logging.info(f"Your host timezone: {tz}")

pyproject.toml

@@ -33,8 +33,7 @@ line-length=100
 # Assume Python 3.9
 target-version = "py39"
 # E402: module import not on top of file, not possible for testcases
-# E722: do not use bare except
-lint.ignore=["E402", "E722"]
+lint.ignore=["E402"]
 
 [tool.ruff.lint.extend-per-file-ignores]
 # F401: imported but unused, common for __init__.py files