CodeChecker checkes does not work when ccache is configured

[dkrupp]

Describe the bug
When ccache is configured, the CodeChecker checkers command throws an error.

/workspace/codechecker]$ CodeChecker checkers
[WARNING 2025-02-11 15:16] - 'diagtool' can not be found next to the clang binary (/usr/bin/ccache)!
Traceback (most recent call last):
File "/workspace/codechecker/build/CodeChecker/lib/python3/codechecker_common/cli.py", line 208, in main
sys.exit(args.func(args))
File "/workspace/codechecker/build/CodeChecker/lib/python3/codechecker_analyzer/cmd/checkers.py", line 608, in main
__print_checkers(args, cl)
File "/workspace/codechecker/build/CodeChecker/lib/python3/codechecker_analyzer/cmd/checkers.py", line 475, in __print_checkers
checker_info = __get_detailed_checker_info(args, cl)
File "/workspace/codechecker/build/CodeChecker/lib/python3/codechecker_analyzer/cmd/checkers.py", line 228, in __get_detailed_checker_info
analyzer_config_map = analyzer_types.build_config_handlers(
File "/workspace/codechecker/build/CodeChecker/lib/python3/codechecker_analyzer/analyzers/analyzer_types.py", line 260, in build_config_handlers
config_handler = supported_analyzers[ea].construct_config_handler(args)
File "/workspace/codechecker/build/CodeChecker/lib/python3/codechecker_analyzer/analyzers/clangtidy/analyzer.py", line 712, in construct_config_handler
checkers = ClangTidy.get_analyzer_checkers()
File "/workspace/codechecker/build/CodeChecker/lib/python3/codechecker_analyzer/analyzers/clangtidy/analyzer.py", line 307, in get_analyzer_checkers
for warning in get_warnings())
File "/workspace/codechecker/build/CodeChecker/lib/python3/codechecker_analyzer/analyzers/clangtidy/analyzer.py", line 169, in get_warnings
environment = analyzer_context.get_context().get_env_for_bin(diagtool_bin)
File "/workspace/codechecker/build/CodeChecker/lib/python3/codechecker_analyzer/analyzer_context.py", line 220, in get_env_for_bin
bin_path = Path(binary).resolve()
File "/usr/lib/python3.8/pathlib.py", line 1042, in new
self = cls._from_parts(args, init=False)
File "/usr/lib/python3.8/pathlib.py", line 683, in _from_parts
drv, root, parts = self._parse_args(args)
File "/usr/lib/python3.8/pathlib.py", line 667, in _parse_args
a = os.fspath(a)
TypeError: expected str, bytes or os.PathLike object, not NoneType