Bump bootsnap from 1.7.2 to 1.7.3

Bumps [bootsnap](https://github.com/Shopify/bootsnap) from 1.7.2 to 1.7.3.
- [Release notes](https://github.com/Shopify/bootsnap/releases)
- [Changelog](https://github.com/Shopify/bootsnap/blob/master/CHANGELOG.md)
- [Commits](rails/bootsnap@v1.7.2...v1.7.3)

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

Author: dependabot[bot]

Gemfile.lock

@@ -63,7 +63,7 @@ GEM
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
     bindex (0.8.1)
-    bootsnap (1.7.2)
+    bootsnap (1.7.3)
       msgpack (~> 1.0)
     builder (3.2.4)
     byebug (11.1.3)