Feat: Add Github2Gerrit workflow and dependabot

This will allow processing Github PRs in Gerrit.

Signed-off-by: Eric Ball <eball@linuxfoundation.org>
Change-Id: I7d108b660e283b98a9d371a281d48a79c15d287f
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..5fe32ab
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,15 @@
+---
+# SPDX-FileCopyrightText: 2025 The Linux Foundation
+# SPDX-License-Identifier: Apache-2.0
+
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
diff --git a/.github/workflows/call-github2gerrit.yaml b/.github/workflows/call-github2gerrit.yaml
new file mode 100644
index 0000000..ff25f0c
--- /dev/null
+++ b/.github/workflows/call-github2gerrit.yaml
@@ -0,0 +1,33 @@
+---
+# SPDX-License-Identifier: Apache-2.0
+# Copyright 2025 The Linux Foundation <abelur@linux.com>
+
+name: call-github2gerrit-reusable-workflow
+
+# yamllint disable-line rule:truthy
+on:
+  workflow_dispatch:
+  pull_request_target:
+    types: [opened, reopened, edited, synchronize]
+    branches:
+      - master
+      - main
+
+concurrency:
+  # yamllint disable-line rule:line-length
+  group: ${{ github.workflow }}-${{ github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  call-in-g2g-workflow:
+    permissions:
+      contents: read
+      pull-requests: write
+    uses: lfit/github2gerrit/.github/workflows/github2gerrit.yaml@main
+    with:
+      GERRIT_KNOWN_HOSTS: ${{ vars.GERRIT_KNOWN_HOSTS }}
+      GERRIT_SSH_USER_G2G: ${{ vars.GERRIT_SSH_USER_G2G }}
+      GERRIT_SSH_USER_G2G_EMAIL: ${{ vars.GERRIT_SSH_USER_G2G_EMAIL }}
+      ORGANIZATION: ${{ vars.ORGANIZATION }}
+    secrets:
+      GERRIT_SSH_PRIVKEY_G2G: ${{ secrets.GERRIT_SSH_PRIVKEY_G2G }}