Update dependabot dependency update to be a workflow dispatch

.github/workflows/post-dependabot.yml

@@ -1,11 +1,13 @@
 name: Update Dependencies
 on:
-  push:
+  workflow_dispatch:
-    branches:
+    inputs:
-      - dependabot/npm_and_yarn/**
+      branch:
-  pull_request:
+        description: 'The branch to update dependencies on'
-    branches:
+        required: true
-      - dependabot/npm_and_yarn/**
+        default: 'warning'
+        type: string
+
 permissions:
   contents: write
 jobs:
@@ -14,6 +16,7 @@ jobs:
     name: Update licensed cache
     steps:
       - uses: actions/checkout@v4
+        ref: ${{ github.event.inputs.branch }}
 
       - run: npm ci