Bump kms_encrypted from 1.4.0 to 1.5.0 (#12919)

Bumps [kms_encrypted](https://github.com/ankane/kms_encrypted) from 1.4.0 to 1.5.0.
- [Changelog](https://github.com/ankane/kms_encrypted/blob/master/CHANGELOG.md)
- [Commits](ankane/kms_encrypted@v1.4.0...v1.5.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Ryan McNeil <ryan.mcneil@oddball.io>

Gemfile.lock

@@ -563,8 +563,8 @@ GEM
       activesupport (>= 4.2)
     jwe (0.4.0)
     jwt (2.7.0)
-    kms_encrypted (1.4.0)
-      activesupport (>= 5.2)
+    kms_encrypted (1.5.0)
+      activesupport (>= 6)
     kramdown (2.4.0)
       rexml
     kramdown-parser-gfm (1.1.0)