Merge pull request #232 from searxng/dependabot/pip/master/pylint-2.9.6

Bump pylint from 2.9.5 to 2.9.6

requirements-dev.txt

@@ -2,7 +2,7 @@ mock==4.0.3
 nose2[coverage_plugin]==0.10.0
 cov-core==1.15.0
 pycodestyle==2.7.0
-pylint==2.9.5
+pylint==2.9.6
 splinter==0.15.0
 transifex-client==0.14.3
 selenium==3.141.0