Bump bootsnap from 1.7.6 to 1.18.4

Bumps [bootsnap](https://github.com/Shopify/bootsnap) from 1.7.6 to 1.18.4.
- [Changelog](https://github.com/Shopify/bootsnap/blob/main/CHANGELOG.md)
- [Commits](Shopify/bootsnap@v1.7.6...v1.18.4)

---
updated-dependencies:
- dependency-name: bootsnap
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -69,8 +69,8 @@ GEM
     blind_index (2.2.0)
       activesupport (>= 5)
       argon2-kdf (>= 0.1.1)
-    bootsnap (1.7.6)
-      msgpack (~> 1.0)
+    bootsnap (1.18.4)
+      msgpack (~> 1.2)
     brakeman (5.1.1)
     builder (3.2.4)
     bundler-audit (0.8.0)
@@ -128,7 +128,7 @@ GEM
     mini_mime (1.1.0)
     mini_portile2 (2.5.3)
     minitest (5.14.4)
-    msgpack (1.4.2)
+    msgpack (1.7.2)
     nio4r (2.5.7)
     nokogiri (1.11.7)
       mini_portile2 (~> 2.5.0)