dev #53508 add execute permission on phantomjs

scripts/docker_install.sh

@@ -33,6 +33,7 @@ mkdir /tmp/phantomjs \
     && curl -L https://bitbucket.org/ariya/phantomjs/downloads/phantomjs-2.1.1-linux-x86_64.tar.bz2 \
         | tar -xj --strip-components=1 -C /tmp/phantomjs \
     && mv /tmp/phantomjs/bin/phantomjs /usr/local/bin \
+    && chmod +x /usr/local/bin/phantomjs \
     && rm -rf /tmp/phantomjs
 
 # data preparation