fix(provider): fix npm version provider to update package-lock.json and npm-shrinkwrap.json if they exist

closes commitizen-tools#804

Author: davidlday

tests/test_version_providers.py

@@ -279,18 +279,12 @@ def test_scm_provider_default_without_commits_and_tags(config: BaseConfig):
 
 
 @pytest.mark.parametrize(
-    "pkg_lock_content,pkg_lock_expected,pkg_shrinkwrap_content,pkg_shrinkwrap_expected",
-    (
-        (None, None, None, None),
-        (NPM_LOCKFILE_JSON, NPM_LOCKFILE_EXPECTED, None, None),
-        (None, None, NPM_LOCKFILE_JSON, NPM_LOCKFILE_EXPECTED),
-        (
-            NPM_LOCKFILE_JSON,
-            NPM_LOCKFILE_EXPECTED,
-            NPM_LOCKFILE_JSON,
-            NPM_LOCKFILE_EXPECTED,
-        ),
-    ),
+    "pkg_shrinkwrap_content, pkg_shrinkwrap_expected",
+    ((NPM_LOCKFILE_JSON, NPM_LOCKFILE_EXPECTED), (None, None)),
+)
+@pytest.mark.parametrize(
+    "pkg_lock_content, pkg_lock_expected",
+    ((NPM_LOCKFILE_JSON, NPM_LOCKFILE_EXPECTED), (None, None)),
 )
 def test_npm_provider(
     config: BaseConfig,