Bump proper-lockfile from 4.1.1 to 4.1.2 (#3047)

Bumps [proper-lockfile](https://github.com/moxystudio/node-proper-lockfile) from 4.1.1 to 4.1.2.
- [Release notes](https://github.com/moxystudio/node-proper-lockfile/releases)
- [Changelog](https://github.com/moxystudio/node-proper-lockfile/blob/master/CHANGELOG.md)
- [Commits](https://github.com/moxystudio/node-proper-lockfile/compare/v4.1.1...v4.1.2)

---
updated-dependencies:
- dependency-name: proper-lockfile
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -222,7 +222,7 @@
     "openid-client": "^3.15.2",
     "p-limit": "^3.1.0",
     "path-to-regexp": "^6.1.0",
-    "proper-lockfile": "^4.1.1",
+    "proper-lockfile": "^4.1.2",
     "react": "^17.0.1",
     "react-dom": "^17.0.1",
     "react-router": "^5.2.0",