tox: update pylint to v3.3.7

Update the fixed pylint version to its most recent.

Signed-off-by: James Knight <[email protected]>

Author: jdknight

tox.ini

@@ -156,7 +156,7 @@ passenv =
 [testenv:pylint]
 deps =
     {[testenv]deps}
-    pylint: pylint==3.3.5
+    pylint: pylint==3.3.7
 commands =
     pylint \
     fetchdep \