Bump bootstrap from 4.6.2 to 4.6.2.1 (#372)

Bumps [bootstrap](https://github.com/twbs/bootstrap-rubygem) from 4.6.2 to 4.6.2.1.
- [Release notes](https://github.com/twbs/bootstrap-rubygem/releases)
- [Changelog](https://github.com/twbs/bootstrap-rubygem/blob/v4.6.2.1/CHANGELOG.md)
- [Commits](twbs/bootstrap-rubygem@v4.6.2...v4.6.2.1)

---
updated-dependencies:
- dependency-name: bootstrap
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile

@@ -5,7 +5,7 @@ ruby '3.2.2'
 
 gem 'blacklight', '~> 7.0'
 gem 'bootsnap', require: false
-gem 'bootstrap', '~> 4.0'
+gem 'bootstrap', '~> 4.6'
 gem 'capistrano', '~> 3.17'
 gem 'capistrano-passenger', '~> 0.2.1'
 gem 'capistrano-rails', '~> 1.6'

Gemfile.lock

@@ -82,7 +82,7 @@ GEM
     archive-zip (0.12.0)
       io-like (~> 0.3.0)
     ast (2.4.2)
-    autoprefixer-rails (10.4.15.0)
+    autoprefixer-rails (10.4.19.0)
       execjs (~> 2)
     axe-core-api (4.7.0)
       dumb_delegator
@@ -109,10 +109,9 @@ GEM
       view_component (>= 2.66, < 4)
     bootsnap (1.16.0)
       msgpack (~> 1.2)
-    bootstrap (4.6.2)
+    bootstrap (4.6.2.1)
       autoprefixer-rails (>= 9.1.0)
       popper_js (>= 1.16.1, < 2)
-      sassc-rails (>= 2.0.0)
     builder (3.3.0)
     bundler-audit (0.9.1)
       bundler (>= 1.2.0, < 3)
@@ -197,7 +196,8 @@ GEM
       net-http-persistent (~> 4.0)
     faraday-retry (2.2.1)
       faraday (~> 2.0)
-    ffi (1.15.5)
+    ffi (1.17.0-arm64-darwin)
+    ffi (1.17.0-x86_64-linux-gnu)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
       rake
@@ -556,7 +556,7 @@ GEM
       whenever
     xpath (3.2.0)
       nokogiri (~> 1.8)
-    zeitwerk (2.6.17)
+    zeitwerk (2.6.18)
 
 PLATFORMS
   arm64-darwin-22
@@ -567,7 +567,7 @@ DEPENDENCIES
   axe-core-rspec
   blacklight (~> 7.0)
   bootsnap
-  bootstrap (~> 4.0)
+  bootstrap (~> 4.6)
   bundler-audit
   byebug
   capistrano (~> 3.17)