ci: set PUBLISH_BINARY to false on travis for PR builds

Author: JCMais

.github/workflows/build-lint-test.yaml

@@ -1,7 +1,11 @@
 name: build-lint-test
 
 on:
-  - push
+  push:
+    branches:
+      - master
+      - develop
+  pull_request:
 
 env:
   LIBCURL_RELEASE: 'LATEST'

.travis.yml

@@ -76,6 +76,9 @@ before_install:
     export LINK="gcc-${GCC_VERSION}";
     export LINKXX="g++-${GCC_VERSION}";
     fi
+  - if [[ $TRAVIS_PULL_REQUEST != "false" ]]; then
+    export PUBLISH_BINARY="false";
+    fi
   - export PATH=$HOME/bin:$PATH
   - yarn --version
   - node --version