properly escape the output (#2)

* use tr

* replace " with %22

* print the commit message and the escaped message

* use sed instead

* escape the commit message before setting it as an output

Author: keewis

script.sh

@@ -42,5 +42,5 @@ fi
 echo "keyword detected: $result"
 echo "::endgroup::"
 
-echo "::set-output name=COMMIT_MESSAGE::$commit_message"
+echo "::set-output name=COMMIT_MESSAGE::$(echo $commit_message | sed 's/\"/\\"/g')"
 echo "::set-output name=CI_TRIGGERED::$result"