ci: Only run deploy steps on master branch pushes

Author: sman591

.travis.yml

@@ -31,7 +31,7 @@ jobs:
   include:
     - stage: deploy
       name: Build & publish new release (if needed)
-      if: branch = master AND repo = "codeRIT/hackathon-manager"
+      if: type = push AND branch = master AND repo = "codeRIT/hackathon-manager"
       language: node_js
       node_js: lts/*
       cache:
@@ -41,7 +41,7 @@ jobs:
       script: yarn semantic-release
     - stage: deploy
       name: Push docs website update
-      if: branch = master AND repo = "codeRIT/hackathon-manager"
+      if: type = push AND branch = master AND repo = "codeRIT/hackathon-manager"
       language: node_js
       node_js: lts/*
       cache: