Bump bootsnap from 1.18.5 to 1.18.6

Bumps [bootsnap](https://github.com/Shopify/bootsnap) from 1.18.5 to 1.18.6.
- [Changelog](https://github.com/Shopify/bootsnap/blob/main/CHANGELOG.md)
- [Commits](https://github.com/Shopify/bootsnap/compare/v1.18.5...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] <support@github.com>

Gemfile.lock

@@ -81,7 +81,7 @@ GEM
     benchmark (0.4.0)
     bigdecimal (3.1.9)
     bindex (0.8.1)
-    bootsnap (1.18.5)
+    bootsnap (1.18.6)
       msgpack (~> 1.2)
     brakeman (7.0.2)
       racc
@@ -128,7 +128,7 @@ GEM
       actionview (>= 5.0.0)
       activesupport (>= 5.0.0)
     json (2.11.3)
-    kamal (2.6.0)
+    kamal (2.6.1)
       activesupport (>= 7.0)
       base64 (~> 0.2)
       bcrypt_pbkdf (~> 1.0)