fix pre-post release workflow: missing inputs field (#227)

Author: JonasKunz

.github/workflows/pre-post-release.yml

@@ -3,20 +3,21 @@ name: Pre/Post Release
 
 on:
   workflow_call:
-    ref:
-      description: 'Branch or tag ref to run the workflow on'
-      required: true
-      default: 'main'
-    version:
-      description: 'The version to release (e.g. 1.2.3). This workflow will automatically perform the required version bumps'
-      required: true
-    phase:
-      description: 'Pre or post release phase'
-      type: choice
-      options:
-        - pre
-        - post
-      required: true
+    inputs:
+      ref:
+        description: 'Branch or tag ref to run the workflow on'
+        required: true
+        default: 'main'
+      version:
+        description: 'The version to release (e.g. 1.2.3). This workflow will automatically perform the required version bumps'
+        required: true
+      phase:
+        description: 'Pre or post release phase'
+        type: choice
+        options:
+          - pre
+          - post
+        required: true
 
 env:
   RELEASE_VERSION: ${{ inputs.version }}