Repo File Sync: Update to Mu DevOps v4.0.0 (#191)

synced local file(s) with
[microsoft/mu_devops](https://github.com/microsoft/mu_devops).

🤖: View the [Repo File Sync Configuration
File](https://github.com/microsoft/mu_devops/blob/main/.sync/Files.yml)
to see how files are synced.

---

This PR was created automatically by the
[repo-file-sync-action](https://github.com/BetaHuhn/repo-file-sync-action)
workflow run
[#5148693858](https://github.com/microsoft/mu_devops/actions/runs/5148693858)

Signed-off-by: Project Mu UEFI Bot <uefibot@microsoft.com>

Author: uefibot

.github/workflows/auto-approve.yml

@@ -25,5 +25,5 @@ jobs:
   approval_check:
     if: |
       github.event.pull_request.user.login == 'dependabot[bot]' || github.event.pull_request.user.login == 'uefibot'
-    uses: microsoft/mu_devops/.github/workflows/AutoApprover.yml@v3.0.0
+    uses: microsoft/mu_devops/.github/workflows/AutoApprover.yml@v4.0.0
     secrets: inherit

.github/workflows/auto-merge.yml

@@ -26,5 +26,5 @@ jobs:
   merge_check:
     if: |
       github.event.pull_request.user.login == 'dependabot[bot]' || github.event.pull_request.user.login == 'uefibot'
-    uses: microsoft/mu_devops/.github/workflows/AutoMerger.yml@v3.0.0
+    uses: microsoft/mu_devops/.github/workflows/AutoMerger.yml@v4.0.0
     secrets: inherit

.github/workflows/label-sync.yml

@@ -24,4 +24,4 @@ on:
 
 jobs:
   sync:
-    uses: microsoft/mu_devops/.github/workflows/LabelSyncer.yml@v3.0.0
+    uses: microsoft/mu_devops/.github/workflows/LabelSyncer.yml@v4.0.0

.github/workflows/release-draft.yml

@@ -27,5 +27,5 @@ on:
 
 jobs:
   draft:
-    uses: microsoft/mu_devops/.github/workflows/ReleaseDrafter.yml@v3.0.0
+    uses: microsoft/mu_devops/.github/workflows/ReleaseDrafter.yml@v4.0.0
     secrets: inherit

.github/workflows/stale-leaf.yml

@@ -24,4 +24,4 @@ on:
 
 jobs:
   check:
-    uses: microsoft/mu_devops/.github/workflows/Stale.yml@v3.0.0
+    uses: microsoft/mu_devops/.github/workflows/Stale.yml@v4.0.0