Update pipelines

Author: keveleigh

.github/workflows/pr_labeler.yaml

@@ -2,7 +2,7 @@ name: "PR Labeling"
 on:
   pull_request_target:
     types: [opened, closed, synchronize, reopened, edited, ready_for_review]
-  
+
 permissions:
   contents: read
   pull-requests: write

.github/workflows/validation_mrtk3.yaml

@@ -4,30 +4,36 @@ on:
   push:
     branches:
       - main
-      - 'feature/*'
+      - "feature/*"
   pull_request:
 
 jobs:
   validation:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+      - uses: actions/checkout@v3
 
-    - name: Get Pull Request changes
-      if: github.event_name == 'pull_request'
-      run: |
-        ${{ github.workspace }}/Pipelines/Scripts/gitchanges.ps1 -TargetBranch '${{ github.base_ref }}' -OutputFile '${{ runner.temp }}/build/changed_files.txt' -RepoRoot '${{ github.workspace }}'
-      shell: pwsh
+      - name: Get Pull Request changes
+        if: github.event_name == 'pull_request'
+        run: |
+          ${{ github.workspace }}/Pipelines/Scripts/gitchanges.ps1 -TargetBranch '${{ github.base_ref }}' -OutputFile '${{ runner.temp }}/build/changed_files.txt' -RepoRoot '${{ github.workspace }}'
+        shell: pwsh
 
-    - name: Scoped code validation
-      if: github.event_name == 'pull_request'
-      run: |
-        ${{ github.workspace }}/Pipelines/Scripts/validatecode.ps1 -Directory '${{ github.workspace }}' -ChangesFile '${{ runner.temp }}/build/changed_files.txt'
-      shell: pwsh
+      - name: Scoped code validation
+        if: github.event_name == 'pull_request'
+        run: |
+          ${{ github.workspace }}/Pipelines/Scripts/validatecode.ps1 -Directory '${{ github.workspace }}' -ChangesFile '${{ runner.temp }}/build/changed_files.txt'
+        shell: pwsh
 
-    - name: Global code validation
-      if: github.event_name == 'push'
-      run: |
-        ${{ github.workspace }}/Pipelines/Scripts/validatecode.ps1 -Directory '${{ github.workspace }}'
-      shell: pwsh
+      - name: Global code validation
+        if: github.event_name == 'push'
+        run: |
+          ${{ github.workspace }}/Pipelines/Scripts/validatecode.ps1 -Directory '${{ github.workspace }}'
+        shell: pwsh
+
+      - name: Check changelogs
+        if: github.event_name == 'pull_request'
+        run: |
+          ${{ github.workspace }}/Pipelines/Scripts/check-changelogs.ps1 -ChangesFile '${{ runner.temp }}/build/changed_files.txt'
+        shell: pwsh