chore(fdr): migrate npm publishing to OIDC trusted publishing (#5807)

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

Author: tjb9dc

.github/workflows/publish-fdr-sdk.yml

@@ -75,8 +75,6 @@ jobs:
         run: npm install -g fern-api
 
       - name: Publish FDR SDK
-        env:
-          NODE_AUTH_TOKEN: ${{ secrets.FERN_NPM_TOKEN }}
         run: |
           git_version="$(scripts/fdr-version.sh)"
           working_dir=$(pwd)