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 0.5.1 to 0.5.6
- [Release notes](https://github.com/ruby/net-imap/releases)
- [Commits](ruby/net-imap@v0.5.1...v0.5.6)

Updates `nokogiri` from 1.17.2 to 1.18.3
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.17.2...v1.18.3)

Updates `rack` from 2.2.10 to 2.2.12
- [Release notes](https://github.com/rack/rack/releases)
- [Changelog](https://github.com/rack/rack/blob/main/CHANGELOG.md)
- [Commits](rack/rack@v2.2.10...v2.2.12)

---
updated-dependencies:
- dependency-name: net-imap
  dependency-type: indirect
  dependency-group: bundler
- dependency-name: nokogiri
  dependency-type: indirect
  dependency-group: bundler
- dependency-name: rack
  dependency-type: indirect
  dependency-group: bundler
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -99,7 +99,7 @@ GEM
     connection_pool (2.4.1)
     crass (1.0.6)
     csv (3.3.0)
-    date (3.4.0)
+    date (3.4.1)
     debug (1.10.0)
       irb (~> 1.10)
       reline (>= 0.3.8)
@@ -215,7 +215,7 @@ GEM
       ruby2_keywords (~> 0.0.1)
     mustermann-grape (1.1.0)
       mustermann (>= 1.0.0)
-    net-imap (0.5.1)
+    net-imap (0.5.6)
       date
       net-protocol
     net-pop (0.1.2)
@@ -225,7 +225,7 @@ GEM
     net-smtp (0.5.0)
       net-protocol
     nio4r (2.7.4)
-    nokogiri (1.17.2)
+    nokogiri (1.18.3)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     orm_adapter (0.5.0)
@@ -241,7 +241,7 @@ GEM
     puma (6.5.0)
       nio4r (~> 2.0)
     racc (1.8.1)
-    rack (2.2.10)
+    rack (2.2.12)
     rack-cors (2.0.2)
       rack (>= 2.0.0)
     rack-test (2.1.0)
@@ -349,7 +349,7 @@ GEM
     temple (0.10.3)
     thor (1.3.2)
     tilt (2.3.0)
-    timeout (0.4.2)
+    timeout (0.4.3)
     turbo-rails (2.0.11)
       actionpack (>= 6.0.0)
       railties (>= 6.0.0)