(MAINT) Add repo automation

This change introduces some repository automation from the
PowerShell-Docs repositories.

In summary:

1. The Pull Request template ensures a standard UX and process for
   incoming PRs.
2. The checklist workflow uses the PR template to verify that non-admin
   contributors are following the processes.
3. The dependabot configuration verifies that actions are up to date.

Author: michaeltlombardi

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,35 @@
+# PR Summary
+
+<!--
+    Delete this comment block and summarize your changes and list
+    related issues here. For example:
+
+    This changes fixes problem X in the documentation for Y.
+
+    - Fixes #1234
+    - Resolves #1235
+-->
+
+## PR Checklist
+
+<!--
+    These items are mandatory. For your PR to be reviewed and merged,
+    ensure you have followed these steps. As you complete the steps,
+    check each box by replacing the space between the brackets with an
+    x or by clicking on the box in the UI after your PR is submitted.
+-->
+
+- [ ] **Descriptive Title:** This PR's title is a synopsis of the changes it proposes.
+- [ ] **Summary:** This PR's summary describes the scope and intent of the change.
+- [ ] **Contributor's Guide:** I have read the [contributors guide][contrib].
+- [ ] **Style:** This PR adheres to the [style guide][style].
+
+<!--
+    If your PR is a work in progress, please mark it as a draft or
+    prefix it with "(WIP)" or "WIP:"
+
+    This helps us understand whether or not your PR is ready to review.
+-->
+
+[contrib]: https://learn.microsoft.com/powershell/scripting/community/contributing/overview
+[style]: https://learn.microsoft.com/powershell/scripting/community/contributing/powershell-style-guide

.github/dependabot.yml

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+version: 2
+updates:
+- package-ecosystem: "github-actions"
+  directory: "/"
+  schedule:
+      interval: "weekly"

.github/workflows/checklist.yml

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+name: Checklist
+on:
+  pull_request:
+    branches:
+      - main
+    types:
+      - opened
+      - reopened
+      - ready_for_review
+      - edited
+      - synchronize
+permissions:
+  contents: read
+jobs:
+  Test:
+    name: Verify Status
+    runs-on: windows-latest
+    if: |
+      !contains(github.event.pull_request.title, 'WIP') &&
+      !github.event.pull_request.draft
+    defaults:
+      run:
+        shell: pwsh
+    steps:
+      - name: Verify Checklist
+        id: verify_checklist
+        uses: MicrosoftDocs/PowerShell-Docs/.github/actions/verification/checklist/v1@main