[4.6] ci: Travis: configure/restrict branch builds [ci skip]

blueyed · blueyed · commit f9563ca73c76 · 2019-10-22T23:04:45.000+02:00
(cherry picked from commit 851fc02)
diff --git a/.travis.yml b/.travis.yml
@@ -166,3 +166,10 @@ notifications:
     skip_join: true
   email:
     - pytest-commit@python.org
+
+branches:
+  only:
+    - master
+    - features
+    - 4.6-maintenance
+    - /^\d+(\.\d+)+$/
