Allow secrets to be given as input (#124)

## *What has changed?*:

## *Why was it needed?*:

## *How was it done?*:

## Links to trello Tickets or github issues: 

* 

---

### Code Checklist
- [ ] tested
- [ ] documented

Author: carstingaxion

.github/workflows/prerelease-changelog-update.yml

@@ -2,6 +2,9 @@ name: 'pre-Release Changelog Update'
 
 on:
   workflow_call:
+    secrets:
+      BOT_TOKEN:
+        required: true
   release:
     types: [prereleased]
 

.github/workflows/release-drafter.yml

@@ -2,6 +2,9 @@ name: 'Draft next Release notes'
 
 on:
   workflow_call:
+    secrets:
+      BOT_TOKEN:
+        required: true
   push:
     # branches to consider in the event; optional, defaults to all
     branches: