fix: Gemfile & Gemfile.lock to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-RUBY-BOOTSTRAP-7640980
- https://snyk.io/vuln/SNYK-RUBY-BOOTSTRAP-7640987

Gemfile

@@ -5,7 +5,7 @@ ruby "2.7.8"
 gem "rubocop"
 gem "slack-ruby-bot", "~> 0.16.1"
 gem "async-websocket", "~> 0.8.0"
-gem "bootstrap", "~> 4.5.0"
+gem "bootstrap", "~> 5.0.0"
 gem "font-awesome-rails", ">= 4.7.0.8"
 gem "jquery-rails", ">= 4.6.0"
 gem "json"

Gemfile.lock

@@ -74,17 +74,17 @@ GEM
     async-websocket (0.8.0)
       async-io
       websocket-driver (~> 0.7.0)
-    autoprefixer-rails (10.4.15.0)
+    autoprefixer-rails (10.4.19.0)
       execjs (~> 2)
     base64 (0.1.1)
     bindex (0.8.1)
     bootsnap (1.16.0)
       msgpack (~> 1.2)
-    bootstrap (4.5.3)
+    bootstrap (5.0.2)
       autoprefixer-rails (>= 9.1.0)
-      popper_js (>= 1.14.3, < 2)
+      popper_js (>= 2.9.2, < 3)
       sassc-rails (>= 2.0.0)
-    builder (3.2.4)
+    builder (3.3.0)
     byebug (11.1.3)
     capybara (3.39.2)
       addressable
@@ -106,13 +106,13 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.2.2)
+    concurrent-ruby (1.3.3)
     console (1.19.0)
       fiber-annotation
       fiber-local
     crass (1.0.6)
     date (3.3.3)
-    erubi (1.12.0)
+    erubi (1.13.0)
     execjs (2.9.1)
     faraday (2.7.11)
       base64
@@ -124,7 +124,7 @@ GEM
     faraday-multipart (1.0.4)
       multipart-post (~> 2)
     faraday-net_http (3.0.2)
-    ffi (1.16.2)
+    ffi (1.17.0)
     fiber-annotation (0.2.0)
     fiber-local (1.0.0)
     font-awesome-rails (4.7.0.8)
@@ -133,7 +133,7 @@ GEM
     globalid (1.2.1)
       activesupport (>= 6.1)
     hashie (5.0.0)
-    i18n (1.14.1)
+    i18n (1.14.5)
       concurrent-ruby (~> 1.0)
     io-like (0.3.1)
     jbuilder (2.11.5)
@@ -150,7 +150,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.21.3)
+    loofah (2.22.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
     mail (2.8.1)
@@ -160,10 +160,10 @@ GEM
       net-smtp
     marcel (1.0.2)
     matrix (0.4.2)
-    method_source (1.0.0)
+    method_source (1.1.0)
     mini_mime (1.1.5)
-    mini_portile2 (2.8.4)
-    minitest (5.20.0)
+    mini_portile2 (2.8.7)
+    minitest (5.24.1)
     msgpack (1.7.2)
     multipart-post (2.3.0)
     net-imap (0.3.7)
@@ -176,19 +176,19 @@ GEM
     net-smtp (0.4.0)
       net-protocol
     nio4r (2.5.9)
-    nokogiri (1.15.4)
+    nokogiri (1.15.6)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     parallel (1.23.0)
     parser (3.2.2.4)
       ast (~> 2.4.1)
       racc
-    popper_js (1.16.1)
+    popper_js (2.11.8)
     public_suffix (5.0.3)
     puma (5.6.8)
       nio4r (~> 2.0)
-    racc (1.7.1)
-    rack (2.2.8)
+    racc (1.8.1)
+    rack (2.2.9)
     rack-test (2.1.0)
       rack (>= 1.3)
     rails (6.1.7.6)
@@ -220,7 +220,7 @@ GEM
       rake (>= 12.2)
       thor (~> 1.0)
     rainbow (3.1.1)
-    rake (13.0.6)
+    rake (13.2.1)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
@@ -278,9 +278,9 @@ GEM
     sprockets (4.2.1)
       concurrent-ruby (~> 1.0)
       rack (>= 2.2.4, < 4)
-    sprockets-rails (3.4.2)
-      actionpack (>= 5.2)
-      activesupport (>= 5.2)
+    sprockets-rails (3.5.2)
+      actionpack (>= 6.1)
+      activesupport (>= 6.1)
       sprockets (>= 3.0.0)
     sqlite3 (1.6.6)
       mini_portile2 (~> 2.8.0)
@@ -296,8 +296,8 @@ GEM
     standard-performance (1.2.0)
       lint_roller (~> 1.1)
       rubocop-performance (~> 1.19.0)
-    thor (1.2.2)
-    tilt (2.3.0)
+    thor (1.3.1)
+    tilt (2.4.0)
     timeout (0.4.0)
     timers (4.3.5)
     turbolinks (5.2.1)
@@ -321,7 +321,7 @@ GEM
       chronic (>= 0.6.3)
     xpath (3.2.0)
       nokogiri (~> 1.8)
-    zeitwerk (2.6.12)
+    zeitwerk (2.6.17)
 
 PLATFORMS
   ruby
@@ -334,7 +334,7 @@ DEPENDENCIES
   activesupport (>= 6.1.7.3)
   async-websocket (~> 0.8.0)
   bootsnap (>= 1.1.0)
-  bootstrap (~> 4.5.0)
+  bootstrap (~> 5.0.0)
   byebug
   capybara (>= 3.37.1)
   chromedriver-helper (>= 2.1.1)