build(deps-dev): bump readme-renderer from 29.0 to 30.0 in /requirements

Bumps [readme-renderer](https://github.com/pypa/readme_renderer) from 29.0 to 30.0.
- [Release notes](https://github.com/pypa/readme_renderer/releases)
- [Changelog](https://github.com/pypa/readme_renderer/blob/main/CHANGES.rst)
- [Commits](pypa/readme_renderer@29.0...30.0)

---
updated-dependencies:
- dependency-name: readme-renderer
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

.pre-commit-config.yaml

@@ -69,7 +69,7 @@ repos:
         additional_dependencies:
           - "flake8-bugbear==21.9.2"
           - "flake8-tuple==0.4.1"
-          - "readme-renderer==29.0"
+          - "readme-renderer==30.0"
 
   - repo: https://github.com/pre-commit/mirrors-mypy
     rev: v0.910

requirements/requirements-ci.txt

@@ -625,7 +625,7 @@ raiden-contracts==0.40.0rc0
     # via -r requirements-dev.txt
 raiden-webui==1.2.1
     # via -r requirements-dev.txt
-readme-renderer==29.0
+readme-renderer==30.0
     # via -r requirements-dev.txt
 regex==2020.6.8
     # via
@@ -692,7 +692,6 @@ six==1.16.0
     #   pyopenssl
     #   pyrsistent
     #   python-dateutil
-    #   readme-renderer
     #   responses
     #   thrift
     #   traitlets

requirements/requirements-dev.txt

@@ -533,7 +533,7 @@ raiden-contracts==0.40.0rc0
     # via -r requirements.txt
 raiden-webui==1.2.1
     # via -r requirements.txt
-readme-renderer==29.0
+readme-renderer==30.0
     # via -r requirements-dev.in
 regex==2020.6.8
     # via black
@@ -594,7 +594,6 @@ six==1.16.0
     #   pyopenssl
     #   pyrsistent
     #   python-dateutil
-    #   readme-renderer
     #   responses
     #   thrift
     #   traitlets