message: update github fluvio action to use master branch to download install script
diff: @@ -21,7 +21,7 @@ if [ "$DEVELOPMENT" = "true" ]; then
  "v"*)
  echo "Installing Fluvio $VERSION"
  cd /tmp/
  - wget https://raw.githubusercontent.com/infinyon/fluvio/feature/alpha_install_script/dev-tools/install-fluvio.sh
  + wget https://raw.githubusercontent.com/infinyon/fluvio/master/dev-tools/install-fluvio.sh
  export OSTYPE=$OSTYPE
  export SHELL=$SHELL
  export HOME=$HOME
  