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] <[email protected]>

Gemfile.lock

@@ -87,7 +87,7 @@ GEM
     bigdecimal (3.1.8)
     binding_of_caller (1.0.1)
       debug_inspector (>= 1.2.0)
-    bootsnap (1.18.3)
+    bootsnap (1.18.4)
       msgpack (~> 1.2)
     brakeman (6.1.2)
       racc