Bump bootsnap from 1.18.4 to 1.18.6 in /graph-sample

Bumps [bootsnap](https://github.com/Shopify/bootsnap) from 1.18.4 to 1.18.6.
- [Changelog](https://github.com/Shopify/bootsnap/blob/main/CHANGELOG.md)
- [Commits](rails/bootsnap@v1.18.4...v1.18.6)

---
updated-dependencies:
- dependency-name: bootsnap
  dependency-version: 1.18.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

graph-sample/Gemfile.lock

@@ -84,7 +84,7 @@ GEM
     benchmark (0.4.0)
     bigdecimal (3.1.9)
     bindex (0.8.1)
-    bootsnap (1.18.4)
+    bootsnap (1.18.6)
       msgpack (~> 1.2)
     builder (3.3.0)
     capybara (3.40.0)
@@ -150,7 +150,7 @@ GEM
     matrix (0.4.2)
     mini_mime (1.1.5)
     minitest (5.25.5)
-    msgpack (1.7.3)
+    msgpack (1.8.0)
     multi_xml (0.7.1)
       bigdecimal (~> 3.1)
     net-http (0.4.1)