Bump bootsnap from 1.6.0 to 1.8.1 (#16677)

* Bump bootsnap from 1.6.0 to 1.8.1

Bumps [bootsnap](https://github.com/Shopify/bootsnap) from 1.6.0 to 1.8.1.
- [Release notes](https://github.com/Shopify/bootsnap/releases)
- [Changelog](https://github.com/Shopify/bootsnap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Shopify/bootsnap/compare/v1.6.0...v1.8.1)

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

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

* Remove deprecated bootsnap config options

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Claire <claire.github-309c@sitedethib.com>

Gemfile

@@ -25,7 +25,7 @@ gem 'blurhash', '~> 0.1'
 
 gem 'active_model_serializers', '~> 0.10'
 gem 'addressable', '~> 2.8'
-gem 'bootsnap', '~> 1.6.0', require: false
+gem 'bootsnap', '~> 1.8.1', require: false
 gem 'browser'
 gem 'charlock_holmes', '~> 0.7.7'
 gem 'iso-639'