Bump discard from 1.2.0 to 1.2.1 (#17156)

Bumps [discard](https://github.com/jhawthorn/discard) from 1.2.0 to 1.2.1.
- [Release notes](https://github.com/jhawthorn/discard/releases)
- [Changelog](https://github.com/jhawthorn/discard/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jhawthorn/discard/commits/v1.2.1)

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

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

Gemfile.lock

@@ -184,8 +184,8 @@ GEM
       devise (>= 4.0.0)
       rpam2 (~> 4.0)
     diff-lcs (1.4.4)
-    discard (1.2.0)
-      activerecord (>= 4.2, < 7)
+    discard (1.2.1)
+      activerecord (>= 4.2, < 8)
     docile (1.3.4)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)