feat: add support for manual version bumping

Author: ckagerer

action.yml

@@ -103,3 +103,6 @@ inputs:
   actor:
     description: "The account that will be used to perform git operations, defaults to the GITHUB_ACTOR"
     required: false
+  manual_version:
+    description: "Manually specify the version to bump to"
+    required: false

entrypoint.sh

@@ -79,6 +79,9 @@ fi
 if [[ $INPUT_GIT_REDIRECT_STDERR == 'true' ]]; then
   CZ_CMD+=('--git-output-to-stderr')
 fi
+if [[ $INPUT_MANUAL_VERSION ]]; then
+  CZ_CMD+=("$INPUT_MANUAL_VERSION")
+fi
 if [[ $INPUT_CHANGELOG_INCREMENT_FILENAME ]]; then
   CZ_CMD+=('--changelog-to-stdout')
   echo "${CZ_CMD[@]}" ">$INPUT_CHANGELOG_INCREMENT_FILENAME"