Add npm 11.5.1+ upgrade step for OIDC trusted publishing (#726)

* Initial plan

* Add npm 11.5.1+ upgrade step to release-please workflow for trusted publishing

Co-authored-by: NoopDog <3239697+NoopDog@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: NoopDog <3239697+NoopDog@users.noreply.github.com>

Author: Copilot

.github/workflows/release-please.yml

@@ -32,6 +32,10 @@ jobs:
           registry-url: "https://registry.npmjs.org"
           always-auth: true # Enable authentication for trusted publishing
 
+      - name: Upgrade npm for trusted publishing
+        if: ${{ steps.release.outputs.release_created }}
+        run: npm install -g npm@^11.5.1
+
       - name: Install dependencies
         if: ${{ steps.release.outputs.release_created }}
         run: npm ci