Use repository terminology for lockfiles

Author: MariusStorhaug

src/docs/PowerShell/Modules/Repository-Defaults.md

@@ -164,7 +164,7 @@ updates:
 
 The GitHub Actions ecosystem keeps pinned actions current. The PowerShell ecosystem keeps PowerShell dependency declarations current where Dependabot supports them. Repositories with additional package ecosystems should add them explicitly rather than replacing these defaults.
 
-Dependabot PRs still go through normal review. Automated dependency updates are not a substitute for reviewing release notes, changed permissions, pinned SHAs, or generated lock files.
+Dependabot PRs still go through normal review. Automated dependency updates are not a substitute for reviewing release notes, changed permissions, pinned SHAs, or generated lockfiles.
 
 ## README default