Bump bootsnap from 1.4.5 to 1.5.1

Bumps [bootsnap](https://github.com/Shopify/bootsnap) from 1.4.5 to 1.5.1.
- [Release notes](https://github.com/Shopify/bootsnap/releases)
- [Changelog](https://github.com/Shopify/bootsnap/blob/master/CHANGELOG.md)
- [Commits](Shopify/bootsnap@v1.4.5...v1.5.1)

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

Gemfile.lock

@@ -64,7 +64,7 @@ GEM
       rest-client (~> 2.0)
     bcrypt (3.1.13)
     bindex (0.8.1)
-    bootsnap (1.4.5)
+    bootsnap (1.5.1)
       msgpack (~> 1.0)
     builder (3.2.4)
     byebug (11.1.1)
@@ -334,7 +334,7 @@ GEM
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.14.0)
-    msgpack (1.3.2)
+    msgpack (1.3.3)
     multi_json (1.15.0)
     multipart-post (2.1.1)
     mysql2 (0.5.3)