Repo File Sync: Update mu_devops to v18.0.6 (#249)

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

Signed-off-by: Project Mu UEFI Bot <uefibot@microsoft.com>
Co-authored-by: mu-automation[bot] <204385837+mu-automation[bot]@users.noreply.github.com>

Author: mu-automation[bot]

.github/workflows/issue-assignment.yml

@@ -19,5 +19,5 @@ on:
 jobs:
   apply:
 
-    uses: microsoft/mu_devops/.github/workflows/IssueAssignment.yml@v18.0.5
+    uses: microsoft/mu_devops/.github/workflows/IssueAssignment.yml@v18.0.6
     secrets: inherit

.github/workflows/label-issues.yml

@@ -31,5 +31,5 @@ on:
 
 jobs:
   apply:
-    uses: microsoft/mu_devops/.github/workflows/Labeler.yml@v18.0.5
+    uses: microsoft/mu_devops/.github/workflows/Labeler.yml@v18.0.6
     secrets: inherit

.github/workflows/label-sync.yml

@@ -25,5 +25,5 @@ on:
 jobs:
   sync:
 
-    uses: microsoft/mu_devops/.github/workflows/LabelSyncer.yml@v18.0.5
+    uses: microsoft/mu_devops/.github/workflows/LabelSyncer.yml@v18.0.6
     secrets: inherit

.github/workflows/stale.yml

@@ -25,5 +25,5 @@ on:
 jobs:
   check:
 
-    uses: microsoft/mu_devops/.github/workflows/Stale.yml@v18.0.5
+    uses: microsoft/mu_devops/.github/workflows/Stale.yml@v18.0.6
     secrets: inherit

.github/workflows/triage-issues.yml

@@ -20,5 +20,5 @@ on:
 jobs:
   triage:
 
-    uses: microsoft/mu_devops/.github/workflows/IssueTriager.yml@v18.0.5
+    uses: microsoft/mu_devops/.github/workflows/IssueTriager.yml@v18.0.6
     secrets: inherit