chore: add nvmrc and npm publishing

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: '20'
+          node-version-file: '.nvmrc'
       - name: install system dependencies
         run: |
           sudo apt-get update && sudo apt-get install -y clang-format cproto git cmake python3 curl libtinfo5

.github/workflows/release.yml

@@ -26,4 +26,10 @@ jobs:
         with:
           semver: ${{ github.event.inputs.semver }}
           commit-message: 'chore: release {version}'
-          build-command: npm ci
+          npm-token: >-
+            ${{ secrets[format('NPM_TOKEN_{0}', github.actor)] ||
+            secrets.NPM_TOKEN }}
+          optic-token: >-
+            ${{ secrets[format('OPTIC_TOKEN_{0}', github.actor)] ||
+            secrets.OPTIC_TOKEN }}
+          provenance: true

.nvmrc

@@ -0,0 +1 @@
+lts/*