Bump annotaterb from 4.20.0 to 4.21.0 (#967)

* Bump annotaterb from 4.20.0 to 4.21.0

Bumps [annotaterb](https://github.com/drwl/annotaterb) from 4.20.0 to 4.21.0.
- [Changelog](https://github.com/drwl/annotaterb/blob/main/CHANGELOG.md)
- [Commits](drwl/annotaterb@v4.20.0...v4.21.0)

---
updated-dependencies:
- dependency-name: annotaterb
  dependency-version: 4.21.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

* Update gemset.nix

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: robbe[bot] <bot@robbevp.be>

Author: dependabot[bot]

Gemfile.lock

@@ -74,7 +74,7 @@ GEM
       uri (>= 0.13.1)
     addressable (2.8.8)
       public_suffix (>= 2.0.2, < 8.0)
-    annotaterb (4.20.0)
+    annotaterb (4.21.0)
       activerecord (>= 6.0.0)
       activesupport (>= 6.0.0)
     ast (2.4.3)
@@ -446,7 +446,7 @@ CHECKSUMS
   activestorage (8.0.4) sha256=47f312962fc898c1669f20cf7448d19668a5547f4a5f64e59a837d9d3f64a043
   activesupport (8.0.4) sha256=894a3a6c7733b5fae5a7df3acd76c4b563f38687df8a04fa3cbd25360f3fe95a
   addressable (2.8.8) sha256=7c13b8f9536cf6364c03b9d417c19986019e28f7c00ac8132da4eb0fe393b057
-  annotaterb (4.20.0) sha256=871b2e898d1d60c23bdc59b72a5b840678a56355bf5f6fdeb8c79d317ff98bf7
+  annotaterb (4.21.0) sha256=29d63b647be64f86b4a8f3c69110538bf1a6a5b2289de2276491e228fdac8da3
   ast (2.4.3) sha256=954615157c1d6a382bc27d690d973195e79db7f55e9765ac7c481c60bdb4d383
   base64 (0.3.0) sha256=27337aeabad6ffae05c265c450490628ef3ebd4b67be58257393227588f5a97b
   bcrypt (3.1.21) sha256=5964613d750a42c7ee5dc61f7b9336fb6caca429ba4ac9f2011609946e4a2dcf