fix: patch set-output command (#4)

* fix: patch set-output command

* Update action.yml

Author: mkolasinski-splunk

action.yml

@@ -18,7 +18,7 @@ name: "Addon Factory Splunk Package Version"
 description: "Produce a version for Splunk packages compatible with splunkbase"
 runs:
   using: "docker"
-  image: "docker://ghcr.io/splunk/addonfactory-get-splunk-package-version-action:v1.1.5"
+  image: "Dockerfile"
 inputs:
   SemVer:
     description: Ouput of SEMVER step

entrypoint.sh

@@ -38,4 +38,4 @@ else
 fi
 FINALVERSION=$(echo $VERSION | sed 's/v?\(.*\)/\1/')
 echo "Version to build is $FINALVERSION"
-echo "::set-output name=VERSION::$FINALVERSION"
+echo "VERSION=$FINALVERSION" >> $GITHUB_OUTPUT