Bump bootstrap from 4.3.1 to 4.4.1

Bumps [bootstrap](https://github.com/twbs/bootstrap-rubygem) from 4.3.1 to 4.4.1.
- [Release notes](https://github.com/twbs/bootstrap-rubygem/releases)
- [Changelog](https://github.com/twbs/bootstrap-rubygem/blob/master/CHANGELOG.md)
- [Commits](https://github.com/twbs/bootstrap-rubygem/compare/v4.3.1...v4.4.1)

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

Gemfile.lock

@@ -65,7 +65,7 @@ GEM
       equalizer (~> 0.0.11)
     arel (9.0.0)
     ast (2.4.0)
-    autoprefixer-rails (9.6.0)
+    autoprefixer-rails (9.7.3)
       execjs
     bcrypt (3.1.13)
     better_errors (2.5.1)
@@ -76,7 +76,7 @@ GEM
     bonsai-elasticsearch-rails (7.0.1)
       elasticsearch-model (< 8)
       elasticsearch-rails (< 8)
-    bootstrap (4.3.1)
+    bootstrap (4.4.1)
       autoprefixer-rails (>= 9.1.0)
       popper_js (>= 1.14.3, < 2)
       sassc-rails (>= 2.0.0)
@@ -189,7 +189,7 @@ GEM
       multipart-post (>= 1.2, < 3)
     faraday_middleware (0.13.1)
       faraday (>= 0.7.4, < 1.0)
-    ffi (1.11.1)
+    ffi (1.11.3)
     figaro (1.1.1)
       thor (~> 0.14)
     flickraw (0.9.10)
@@ -317,7 +317,7 @@ GEM
     multipart-post (2.1.1)
     newrelic_rpm (6.7.0.359)
     nio4r (2.5.2)
-    nokogiri (1.10.5)
+    nokogiri (1.10.7)
       mini_portile2 (~> 2.4.0)
     oauth (0.5.4)
     oauth2 (1.4.2)