Bump bootsnap from 1.18.3 to 1.18.4

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
...

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

Gemfile.lock

@@ -91,7 +91,7 @@ GEM
     bindex (0.8.1)
     binding_of_caller (1.0.1)
       debug_inspector (>= 1.2.0)
-    bootsnap (1.18.3)
+    bootsnap (1.18.4)
       msgpack (~> 1.2)
     bootstrap (5.3.3)
       autoprefixer-rails (>= 9.1.0)
@@ -234,7 +234,7 @@ GEM
     mini_mime (1.1.5)
     mini_portile2 (2.8.8)
     minitest (5.25.4)
-    msgpack (1.7.2)
+    msgpack (1.7.5)
     multi_json (1.15.0)
     multi_xml (0.6.0)
     net-http (0.4.1)