Bump bootstrap from 4.6.2.1 to 5.3.8

Bumps [bootstrap](https://github.com/twbs/bootstrap-rubygem) from 4.6.2.1 to 5.3.8.
- [Release notes](https://github.com/twbs/bootstrap-rubygem/releases)
- [Changelog](https://github.com/twbs/bootstrap-rubygem/blob/main/CHANGELOG.md)
- [Commits](twbs/bootstrap-rubygem@v4.6.2.1...v5.3.8)

---
updated-dependencies:
- dependency-name: bootstrap
  dependency-version: 5.3.8
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

Gemfile

@@ -8,7 +8,7 @@ gem 'bcrypt'
 gem 'benchmark'
 gem 'bigdecimal'
 gem 'bootsnap', '>= 1.1.0', require: false
-gem 'bootstrap', '~> 4.6'
+gem 'bootstrap', '~> 5.3'
 gem 'digest-crc'
 gem 'drb'
 gem 'kramdown-parser-gfm', '~> 1.1'

Gemfile.lock

@@ -76,8 +76,6 @@ GEM
       tzinfo (~> 2.0, >= 2.0.5)
     addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
-    autoprefixer-rails (10.4.21.0)
-      execjs (~> 2)
     aws-eventstream (1.4.0)
     aws-partitions (1.1244.0)
     aws-sdk-core (3.246.0)
@@ -104,9 +102,8 @@ GEM
     bigdecimal (4.1.2)
     bootsnap (1.23.0)
       msgpack (~> 1.2)
-    bootstrap (4.6.2.1)
-      autoprefixer-rails (>= 9.1.0)
-      popper_js (>= 1.16.1, < 2)
+    bootstrap (5.3.8)
+      popper_js (>= 2.11.8, < 3)
     builder (3.3.0)
     capybara (3.40.0)
       addressable
@@ -129,7 +126,6 @@ GEM
     drb (2.2.3)
     erb (6.0.2)
     erubi (1.13.1)
-    execjs (2.10.1)
     ffi (1.17.3)
     ffi (1.17.3-aarch64-linux-gnu)
     ffi (1.17.3-aarch64-linux-musl)
@@ -212,7 +208,7 @@ GEM
     pg (1.6.3-x86_64-darwin)
     pg (1.6.3-x86_64-linux)
     pg (1.6.3-x86_64-linux-musl)
-    popper_js (1.16.1)
+    popper_js (2.11.8)
     pp (0.6.3)
       prettyprint
     prettyprint (0.2.0)
@@ -354,7 +350,7 @@ DEPENDENCIES
   benchmark
   bigdecimal
   bootsnap (>= 1.1.0)
-  bootstrap (~> 4.6)
+  bootstrap (~> 5.3)
   capybara (~> 3.40)
   digest-crc
   dotenv (~> 3.2)