Bump bootsnap from 1.18.3 to 1.18.4 (#1041)

Bumps [bootsnap](https://github.com/Shopify/bootsnap) from 1.18.3 to 1.18.4.
- [Changelog](https://github.com/Shopify/bootsnap/blob/main/CHANGELOG.md)
- [Commits](Shopify/bootsnap@v1.18.3...v1.18.4)

---
updated-dependencies:
- dependency-name: bootsnap
  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

@@ -107,7 +107,7 @@ GEM
       rouge (>= 1.0.0)
     bigdecimal (3.1.8)
     bindex (0.8.1)
-    bootsnap (1.18.3)
+    bootsnap (1.18.4)
       msgpack (~> 1.2)
     bootstrap (5.3.3)
       autoprefixer-rails (>= 9.1.0)
@@ -302,7 +302,7 @@ GEM
     minitest (5.25.1)
     mocha (2.4.5)
       ruby2_keywords (>= 0.0.5)
-    msgpack (1.7.2)
+    msgpack (1.7.3)
     multi_json (1.15.0)
     multipart-post (2.3.0)
     nenv (0.3.0)