LeMyst/WikibaseIntegrator: v0.12.1

What's Changed Update README.md by @LeMyst in https://github.com/LeMyst/WikibaseIntegrator/pull/375 Improve claims.add() docstring by @dpriskorn in https://github.com/LeMyst/WikibaseIntegrator/pull/387 Comment to avoid double MR by @LeMyst in https://github.com/LeMyst/WikibaseIntegrator/pull/392 Improve MWApiError by @LeMyst in https://github.com/LeMyst/WikibaseIntegrator/pull/397 Create auto-assign-issue.yaml by @LeMyst in https://github.com/LeMyst/WikibaseIntegrator/pull/402 Rename .yml to .yaml by @LeMyst in https://github.com/LeMyst/WikibaseIntegrator/pull/401 Update README.md by @LeMyst in https://github.com/LeMyst/WikibaseIntegrator/pull/403 Fix codespell errors by @LeMyst in https://github.com/LeMyst/WikibaseIntegrator/pull/405 Add test_invalid_claim by @LeMyst in https://github.com/LeMyst/WikibaseIntegrator/pull/404 Bump version to v0.12.1 by @LeMyst in https://github.com/LeMyst/WikibaseIntegrator/pull/406 Update readthedocs-sphinx-ext requirement from ~=2.1.5 to ~=2.1.8 by @dependabot in https://github.com/LeMyst/WikibaseIntegrator/pull/372 Bump pypa/gh-action-pypi-publish from 1.5.0 to 1.5.1 by @dependabot in https://github.com/LeMyst/WikibaseIntegrator/pull/383 Update sphinx requirement from ~=4.5.0 to ~=5.1.1 by @dependabot in https://github.com/LeMyst/WikibaseIntegrator/pull/384 Bump sphinx-autodoc-typehints from 1.18.1 to 1.19.2 by @dependabot in https://github.com/LeMyst/WikibaseIntegrator/pull/396 Update m2r2 requirement from ~=0.3.2 to ~=0.3.3 by @dependabot in https://github.com/LeMyst/WikibaseIntegrator/pull/400 Full Changelog: https://github.com/LeMyst/WikibaseIntegrator/compare/v0.12.0...v0.12.