fix: update Travis job conditional to only run on the release/2.x branch (vs any branch with the name 'release') in the name

Author: sghoweri

.travis.yml

@@ -126,7 +126,7 @@ jobs:
 
     - stage: Auto-release
       name: 'Full Release'
-      if: (branch =~ /(release)/)
+      if: (branch =~ /(release\/2.x)/)
       before_script:
         - git config --global user.email ${GITHUB_EMAIL}
         - git config --global user.name ${GITHUB_USER}