Bump feedparser from 6.0.8 to 6.0.11 in /requirements

Bumps [feedparser](https://github.com/kurtmckee/feedparser) from 6.0.8 to 6.0.11.
- [Changelog](https://github.com/kurtmckee/feedparser/blob/develop/CHANGELOG.rst)
- [Commits](kurtmckee/feedparser@6.0.8...6.0.11)

---
updated-dependencies:
- dependency-name: feedparser
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements/common.txt

@@ -9,7 +9,7 @@ django-recaptcha==4.0.0
 django-registration-redux==2.13
 Django==4.2.14
 docutils==0.17.1
-feedparser==6.0.8
+feedparser==6.0.11
 Jinja2==3.1.4
 libsass==0.23.0
 Pillow==10.4.0