Bump net-imap from 0.5.5 to 0.5.6 (#72)

Bumps the bundler group with 1 update in the /template/{{app_name}} directory: [net-imap](https://github.com/ruby/net-imap).


Updates `net-imap` from 0.5.5 to 0.5.6
- [Release notes](https://github.com/ruby/net-imap/releases)
- [Commits](ruby/net-imap@v0.5.5...v0.5.6)

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

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

Author: dependabot[bot]

template/{{app_name}}/Gemfile.lock

@@ -221,7 +221,7 @@ GEM
     mutex_m (0.3.0)
     net-http (0.6.0)
       uri
-    net-imap (0.5.5)
+    net-imap (0.5.6)
       date
       net-protocol
     net-pop (0.1.2)