fix: semantic handling of beta releases (#6)

* fix: handle beta version in semver manner

* 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:v1.1.6"
+  image: "Dockerfile"
 inputs:
   SemVer:
     description: Ouput of SEMVER step

entrypoint.sh

@@ -25,7 +25,7 @@ then
     VERSION=$INPUT_SEMVER
 elif [[ $INPUT_SEMVER =~ $BETA_REGEX ]];
 then
-    VERSION=$(echo $INPUT_SEMVER | awk '{gsub("-beta\.", "B");print}')
+    VERSION=$(echo $INPUT_SEMVER | awk '{gsub("-beta\.", "-B");print}')
 else
     if [[ $GITHUB_EVENT_NAME != 'pull_request' ]];
     then