Bump tornado from 6.4 to 6.4.1 in /queue_services/account-mailer (#2858)

Bumps [tornado](https://github.com/tornadoweb/tornado) from 6.4 to 6.4.1.
- [Changelog](https://github.com/tornadoweb/tornado/blob/master/docs/releases.rst)
- [Commits](tornadoweb/tornado@v6.4.0...v6.4.1)

---
updated-dependencies:
- dependency-name: tornado
  dependency-type: direct:production
...

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

Author: dependabot[bot]

queue_services/account-mailer/requirements.txt

@@ -30,7 +30,7 @@ sentry-sdk==2.3.1
 six==1.16.0
 threadloop==1.0.2
 thrift==0.20.0
-tornado==6.4
+tornado==6.4.1
 urllib3==2.2.1
 zipp==3.19.0
 -e git+https://github.com/bcgov/sbc-common-components.git#egg=sbc-common-components&subdirectory=python