Bump imap-tools from 0.53.0 to 0.54.0

Bumps [imap-tools](https://github.com/ikvk/imap_tools) from 0.53.0 to 0.54.0.
- [Release notes](https://github.com/ikvk/imap_tools/releases)
- [Changelog](https://github.com/ikvk/imap_tools/blob/master/docs/release_notes.rst)
- [Commits](ikvk/imap_tools@v0.53.0...v0.54.0)

---
updated-dependencies:
- dependency-name: imap-tools
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -46,7 +46,7 @@ httptools==0.4.0
 humanfriendly==10.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'
 hyperlink==21.0.0
 idna==3.3; python_version >= '3.5'
-imap-tools==0.53.0
+imap-tools==0.54.0
 img2pdf==0.4.4
 importlib-resources==5.7.1; python_version < '3.9'
 incremental==21.3.0