feat: Add config option to support custom commitizen config

Author: karolyczovek

action.yml

@@ -122,3 +122,6 @@ inputs:
   manual_version:
     description: "Manually specify the version to bump to"
     required: false
+  config:
+    description: "Manually specify the config file to use"
+    required: false

entrypoint.sh

@@ -51,6 +51,11 @@ echo "previous_version_minor=${PREV_REV_MINOR}" >>"$GITHUB_OUTPUT"
 
 
 CZ_CMD=('cz')
+
+if [[ $INPUT_CONFIG ]]; then
+  CZ_CMD+=('--config' "$INPUT_CONFIG")
+fi
+
 if [[ $INPUT_DEBUG == 'true' ]]; then
   CZ_CMD+=('--debug')
 fi