v0.5.3

Paul Spooren (5):
      tests: fixup conftest create_app import
      add OpenWrt 21.02.0-rc1 support
      api: require target in build request
      requirements: cleanup and use httptest 1.0.0
      api: show latest version of all branches

dependabot[bot] (1):
      build(deps-dev): bump py from 1.8.1 to 1.10.0