Initial commit, verify maven and unit tests, self

This commit adds initial versions of verify-unit-tests and
verify-maven shared workflows, as well as actionlint check for the
shared workflows themselves.

Signed-off-by: Eric Ball <eball@linuxfoundation.org>
Change-Id: Ib9d47b7fa62eee48e213a14484e9ff33d6967551
diff --git a/.github/workflows/verify-workflows.yaml b/.github/workflows/verify-workflows.yaml
new file mode 100644
index 0000000..601cfc7
--- /dev/null
+++ b/.github/workflows/verify-workflows.yaml
@@ -0,0 +1,72 @@
+---
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: 2026 The Linux Foundation
+
+name: Lint GitHub Actions workflows
+
+# yamllint disable-line rule:truthy
+on:
+  workflow_dispatch:
+    inputs:
+      # Gerrit-to-Github defaults
+      GERRIT_BRANCH:
+        description: "Branch that change is against"
+        required: true
+        type: string
+      GERRIT_CHANGE_ID:
+        description: "The ID for the change"
+        required: true
+        type: string
+      GERRIT_CHANGE_NUMBER:
+        description: "The Gerrit number"
+        required: true
+        type: string
+      GERRIT_CHANGE_URL:
+        description: "URL to the change"
+        required: true
+        type: string
+      GERRIT_EVENT_TYPE:
+        description: "Type of Gerrit event"
+        required: true
+        type: string
+      GERRIT_PATCHSET_NUMBER:
+        description: "The patch number for the change"
+        required: true
+        type: string
+      GERRIT_PATCHSET_REVISION:
+        description: "The revision sha"
+        required: true
+        type: string
+      GERRIT_PROJECT:
+        description: "Project in Gerrit"
+        required: true
+        type: string
+      GERRIT_REFSPEC:
+        description: "Gerrit refspec of change"
+        required: true
+        type: string
+
+concurrency:
+  # yamllint disable-line rule:line-length
+  group: verify-workflows-${{ github.workflow }}-${{ github.event.inputs.GERRIT_CHANGE_ID || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  actionlint:
+    runs-on: ubuntu-latest
+    steps:
+      # yamllint disable-line rule:line-length
+      - uses: lfreleng-actions/checkout-gerrit-change-action@54d751e8bd167bc91f7d665dabe33fae87aaaa63 # v0.9
+        with:
+          gerrit-refspec: ${{ inputs.GERRIT_REFSPEC }}
+          gerrit-project: ${{ inputs.GERRIT_PROJECT }}
+          gerrit-url: ${{ vars.GERRIT_URL }}
+          delay: "0s"
+      - name: Download actionlint
+        id: get_actionlint
+        # yamllint disable-line rule:line-length
+        run: bash <(curl https://raw.githubusercontent.com/rhysd/actionlint/main/scripts/download-actionlint.bash)
+        shell: bash
+      - name: Check workflow files
+        run: ${{ steps.get_actionlint.outputs.executable }} -color
+        shell: bash