Merge pull request #1533 from searxng/dependabot/pip/master/nose2-coverage_plugin--0.12.0

Bump nose2[coverage_plugin] from 0.11.0 to 0.12.0

requirements-dev.txt

@@ -1,5 +1,5 @@
 mock==4.0.3
-nose2[coverage_plugin]==0.11.0
+nose2[coverage_plugin]==0.12.0
 cov-core==1.15.0
 black==22.6.0
 pycodestyle==2.8.0