Release Process vNext (#8152)

Co-authored-by: gemini-cli-robot <gemini-cli-robot@google.com>

.github/workflows/nightly-release.yml

@@ -0,0 +1,53 @@
+name: 'Nightly Release'
+
+on:
+  schedule:
+    - cron: '0 0 * * *'
+  workflow_dispatch:
+    inputs:
+      dry_run:
+        description: 'Run a dry-run of the release process; no branches, npm packages or GitHub releases will be created.'
+        required: true
+        type: 'boolean'
+        default: true
+
+jobs:
+  release:
+    runs-on: 'ubuntu-latest'
+    steps:
+      - name: 'Checkout'
+        uses: 'actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8'
+        with:
+          fetch-depth: 0
+
+      - name: 'Setup Node.js'
+        uses: 'actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020' # ratchet:actions/setup-node@v4
+        with:
+          node-version-file: '.nvmrc'
+          cache: 'npm'
+
+      - name: 'Install Dependencies'
+        run: 'npm ci'
+
+      - name: 'Get Nightly Version'
+        id: 'nightly_version'
+        env:
+          GH_TOKEN: '${{ secrets.GITHUB_TOKEN }}'
+        run: |
+          VERSION_JSON=$(node scripts/get-release-version.js --type=nightly)
+          echo "RELEASE_TAG=$(echo "${VERSION_JSON}" | jq -r .releaseTag)" >> "${GITHUB_OUTPUT}"
+          echo "RELEASE_VERSION=$(echo "${VERSION_JSON}" | jq -r .releaseVersion)" >> "${GITHUB_OUTPUT}"
+          echo "NPM_TAG=$(echo "${VERSION_JSON}" | jq -r .npmTag)" >> "${GITHUB_OUTPUT}"
+          echo "PREVIOUS_TAG=$(echo "${VERSION_JSON}" | jq -r .previousReleaseTag)" >> "${GITHUB_OUTPUT}"
+
+      - name: 'Publish Release'
+        uses: './.github/actions/publish-release'
+        with:
+          release-version: '${{ steps.nightly_version.outputs.RELEASE_VERSION }}'
+          npm-tag: '${{ steps.nightly_version.outputs.NPM_TAG }}'
+          wombat-token-core: '${{ secrets.WOMBAT_TOKEN_CORE }}'
+          wombat-token-cli: '${{ secrets.WOMBAT_TOKEN_CLI }}'
+          github-token: '${{ secrets.GITHUB_TOKEN }}'
+          dry-run: '${{ github.event.inputs.dry_run }}'
+          release-branch: 'main'
+          previous-tag: '${{ steps.nightly_version.outputs.PREVIOUS_TAG }}'