build(deps): bump request_store from 1.5.1 to 1.6.0 (rubyforgood#5527)

Bumps [request_store](https://github.com/steveklabnik/request_store) from 1.5.1 to 1.6.0.
- [Release notes](https://github.com/steveklabnik/request_store/releases)
- [Commits](steveklabnik/request_store@v1.5.1...v1.6.0)

---
updated-dependencies:
- dependency-name: request_store
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -411,7 +411,7 @@ GEM
     regexp_parser (2.8.1)
     reline (0.4.2)
       io-console (~> 0.5)
-    request_store (1.5.1)
+    request_store (1.6.0)
       rack (>= 1.4)
     responders (3.1.1)
       actionpack (>= 5.2)