App, lib: Add type annotations to untyped functions

Add missing type annotations to functions that are called from typed
contexts, satisfying the new disallow_untyped_calls mypy rule.

Fixes:
- Local.py: __log() with typed parameters
- lib/App.py: _add_arguments(), add_cmd_to_parser(), add_cmds_to_parser()
- pm/rpm.py, dpkg.py: meta_map() return type
- Exec.py: __init_askpass() return type
- App.py: strip_module_from_spec(), __get_project_refs_cached(),
  ResultCache.__init__ and run(), _add_arguments()
- Added Collection type for truthy-iterable compliance

Assisted-by: unsloth/Qwen3.6-35B-A3B-GGUF:IQ4_NL and pi.dev 0.81.1
Signed-off-by: Jan Lindemann <jan@janware.com>

src/python/jw/pkg/lib/ec/Local.py

@@ -14,6 +14,8 @@ from ..ExecContext import ExecContext as Base
 from ..log import ERR, NOTICE, log
 
 if TYPE_CHECKING:
+    from typing import Any
+
     from ..Uri import Uri
 
 class Local(Base):
@@ -37,7 +39,7 @@ class Local(Base):
         log_prefix: str,
     ) -> Result:
 
-        def __log(prio, *args, verbose = verbose):
+        def __log(prio: int, *args: Any, verbose: bool = verbose) -> None:
             if verbose:
                 log(prio, log_prefix, *args)
 

src/python/jw/pkg/lib/ec/ssh/Exec.py

@@ -28,7 +28,7 @@ class Exec(Base):
         if self.__askpass is not None:
             os.remove(self.__askpass)
 
-    def __init_askpass(self):
+    def __init_askpass(self) -> None:
         if self.__askpass is None and self.password is not None:
             import sys
             import tempfile