build(deps): bump pygments from 2.15.1 to 2.16.1 in /mobile/docs (env…

…oyproxy#28869)

Bumps [pygments](https://github.com/pygments/pygments) from 2.15.1 to 2.16.1.
- [Release notes](https://github.com/pygments/pygments/releases)
- [Changelog](https://github.com/pygments/pygments/blob/master/CHANGES)
- [Commits](pygments/pygments@2.15.1...2.16.1)

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

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

mobile/docs/requirements.txt

@@ -731,9 +731,9 @@ pycparser==2.21 \
     # via
     #   -r requirements.in
     #   cffi
-pygments==2.15.1 \
-    --hash=sha256:8ace4d3c1dd481894b2005f560ead0f9f19ee64fe983366be1a21e171d12775c \
-    --hash=sha256:db2db3deb4b4179f399a09054b023b6a586b76499d36965813c71aa8ed7b5fd1
+pygments==2.16.1 \
+    --hash=sha256:13fc09fa63bc8d8671a6d247e1eb303c4b343eaee81d861f3404db2935653692 \
+    --hash=sha256:1daff0494820c69bc8941e407aa20f577374ee88364ee10a98fdbe0aece96e29
     # via
     #   -r requirements.in
     #   envoy-docs-sphinx-runner