travis: enable builds on release tags

japaric · japaric · commit 8cd35f3f0ca9 · 2018-11-12T00:33:31.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -80,6 +80,8 @@ branches:
   only:
     - staging
     - trying
+    # release tags
+    - /^v\d+\.\d+\.\d+.*$/
 
 notifications:
   email:
