Switch NuGet publishing to OIDC trusted publishing via NuGet/login

Author: glennawatson

.github/workflows/release.yml

@@ -5,6 +5,7 @@ on:
 
 permissions:
   contents: write
+  id-token: write
 
 jobs:
   release:
@@ -17,4 +18,4 @@ jobs:
       ES_PASSWORD: ${{ secrets.ES_PASSWORD }}
       CREDENTIAL_ID: ${{ secrets.CREDENTIAL_ID }}
       ES_TOTP_SECRET: ${{ secrets.ES_TOTP_SECRET }}
-      NUGET_API_KEY: ${{ secrets.NUGET_API_KEY }}
+      NUGET_USER: ${{ secrets.NUGET_USER }}