ci: switch ci-publish to manual run only and fix id-token syntax (#61)

Author: georgeRobertson

.github/workflows/ci_publish.yml

@@ -1,8 +1,6 @@
 name: CI Publish
 
-on:
-  release:
-    types: [published]
+on: workflow_dispatch
 
 jobs:
   build:
@@ -47,7 +45,7 @@ jobs:
       name: pypi
       url: https://pypi.org/org/nhs/data-validation-engine
     permissions:
-      id_token: write   # IMPORTANT: mandatory for trusted publishing
+      id-token: write   # IMPORTANT: mandatory for trusted publishing
     steps:
       - name: download dist
         uses: actions/download-artifact@v6