Bump yamllint from 1.34.0 to 1.35.0 in /.github/linting

Bumps [yamllint](https://github.com/adrienverge/yamllint) from 1.34.0 to 1.35.0.
- [Changelog](https://github.com/adrienverge/yamllint/blob/master/CHANGELOG.rst)
- [Commits](adrienverge/yamllint@v1.34.0...v1.35.0)

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

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

.github/linting/requirements.txt

@@ -1 +1 @@
-yamllint==1.34.0
+yamllint==1.35.0