Bump pygments from 2.9.0 to 2.19.2 in /libraries/lvgl-8.2.0/docs

Bumps [pygments](https://github.com/pygments/pygments) from 2.9.0 to 2.19.2.
- [Release notes](https://github.com/pygments/pygments/releases)
- [Changelog](https://github.com/pygments/pygments/blob/master/CHANGES)
- [Commits](pygments/pygments@2.9.0...2.19.2)

---
updated-dependencies:
- dependency-name: pygments
  dependency-version: 2.19.2
  dependency-type: direct:production
...

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

Author: dependabot[bot]

libraries/lvgl-8.2.0/docs/requirements.txt

@@ -12,7 +12,7 @@ Jinja2==2.11.3
 Markdown==3.3.4
 MarkupSafe==1.1.1
 packaging==20.9
-Pygments==2.9.0
+Pygments==2.19.2
 pyparsing==2.4.7
 pytz==2021.1
 recommonmark==0.6.0