Add qcom-preflight-checks

Substitute the repolinter workflow with a comprehensive set of
compliance and security checks. Project-specific exclusions are
supported for non-applicable validations. This update also introduces
a centrally-managed reusable workflow to streamline ongoing maintenance
and ensure consistency.

Signed-off-by: Neeraj Jetha <[email protected]>

Author: njjetha

.github/dependabots.yml

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+# 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" # See documentation for possible values
+    directory: "/" # This points to .github/workflows
+    schedule:
+      interval: "daily"

.github/workflows/qcom-preflight-checks.yml

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+name: Qualcomm Preflight Checks
+on:
+  pull_request_target:
+    branches: [ "main" ]
+  push:
+    branches: [ "main" ]
+  workflow_dispatch:
+
+permissions:
+ contents: read
+ security-events: write
+
+jobs:
+  qcom-preflight-checks:
+    uses: qualcomm/qcom-reusable-workflows/.github/workflows/[email protected]
+    with:
+        # ✅ Preflight Checkers
+        repolinter: true                   # default: true
+        semgrep: true                      # default: true
+        copyright-license-detector: true   # default: true
+        pr-check-emails: true              # default: true
+        dependency-review: true            # default: true
+    secrets:
+      SEMGREP_APP_TOKEN: ${{ secrets.SEMGREP_APP_TOKEN }}

.github/workflows/quic-organization-repolinter.yml

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+name: 'Close stale issues and pull requests with no recent activity'
+on:
+  schedule:
+  - cron: "30 1 * * *"
+
+permissions:
+  issues: write
+  pull-requests: write
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/stale@v9
+      with:
+        stale-issue-message: 'This issue has been marked as stale due to 30 days of inactivity. To prevent automatic closure in 7 days, remove the stale label or add a comment. You can reopen a closed issue at any time.'
+        stale-pr-message: 'This pull request has been marked as stale due to 30 days of inactivity. To prevent automatic closure in 7 days, remove the stale label or add a comment. You can reopen a closed pull request at any time.'
+        exempt-issue-labels: bug,enhancement
+        exempt-pr-labels: bug,enhancement
+        days-before-stale: 30
+        days-before-close: 7
+        remove-stale-when-updated: true
+        remove-issue-stale-when-updated: true
+        remove-pr-stale-when-updated: true