feat: print relevant versions at worker startup AAP-40781 (#761)

Print relevant versions in logs when ansible-rulebook starts in worker
mode.
- Refactor some helpers and ansible-galaxy path setting for reusability.
- Enhance get_version function.
- Collections are printed when debug enabled, regular versions only in
info level.
- e2e and unit tests.
Jira: [AAP-40781](https://issues.redhat.com/browse/AAP-40781)

Signed-off-by: Alex <aizquier@redhat.com>

Author: Alex-Izquierdo

tests/unit/test_util.py

@@ -355,4 +355,4 @@ def test_startup_logging_no_collections(caplog):
     ],
 )
 def test_mask_sensitive_variable_values(extra_vars, expected):
-    assert mask_sensitive_variable_values(extra_vars) == expected
+    assert mask_sensitive_variable_values(extra_vars) == expected