Bump the bundler group with 3 updates

Bumps the bundler group with 3 updates: [net-imap](https://github.com/ruby/net-imap), [nokogiri](https://github.com/sparklemotion/nokogiri) and [rack](https://github.com/rack/rack).


Updates `net-imap` from 0.5.6 to 0.5.7
- [Release notes](https://github.com/ruby/net-imap/releases)
- [Commits](ruby/net-imap@v0.5.6...v0.5.7)

Updates `nokogiri` from 1.18.3 to 1.18.8
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.18.3...v1.18.8)

Updates `rack` from 2.2.12 to 2.2.14
- [Release notes](https://github.com/rack/rack/releases)
- [Changelog](https://github.com/rack/rack/blob/main/CHANGELOG.md)
- [Commits](rack/rack@v2.2.12...v2.2.14)

---
updated-dependencies:
- dependency-name: net-imap
  dependency-version: 0.5.7
  dependency-type: indirect
  dependency-group: bundler
- dependency-name: nokogiri
  dependency-version: 1.18.8
  dependency-type: indirect
  dependency-group: bundler
- dependency-name: rack
  dependency-version: 2.2.14
  dependency-type: indirect
  dependency-group: bundler
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -212,14 +212,14 @@ GEM
     matrix (0.4.2)
     method_source (1.1.0)
     mini_mime (1.1.5)
-    mini_portile2 (2.8.8)
+    mini_portile2 (2.8.9)
     minitest (5.25.4)
     msgpack (1.7.2)
     mustermann (3.0.3)
       ruby2_keywords (~> 0.0.1)
     mustermann-grape (1.1.0)
       mustermann (>= 1.0.0)
-    net-imap (0.5.6)
+    net-imap (0.5.7)
       date
       net-protocol
     net-pop (0.1.2)
@@ -229,7 +229,7 @@ GEM
     net-smtp (0.5.0)
       net-protocol
     nio4r (2.7.4)
-    nokogiri (1.18.3)
+    nokogiri (1.18.8)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     orm_adapter (0.5.0)
@@ -246,7 +246,7 @@ GEM
     puma (6.6.0)
       nio4r (~> 2.0)
     racc (1.8.1)
-    rack (2.2.12)
+    rack (2.2.14)
     rack-cors (2.0.2)
       rack (>= 2.0.0)
     rack-test (2.2.0)