Update upm.yaml

Author: keveleigh

.github/workflows/upm.yaml

@@ -17,23 +17,13 @@ jobs:
     - name: Pack dev UPM packages
       if: github.event_name == 'pull_request'
       run: |
-        ${{ github.workspace }}/Pipelines/Scripts/pack-upm.ps1
-        -ProjectRoot: ${{ github.workspace }}/MixedRealityToolkit-Unity
-        -OutputDirectory: ${{ github.workspace }}/build/upm/output
-        -PrereleaseTag: dev
-        -Revision: $(Get-Date -Format "yyMMddHHmmss")
-        -BuildNumber: ${{ github.run_number }}
+        ${{ github.workspace }}/Pipelines/Scripts/pack-upm.ps1 -ProjectRoot: ${{ github.workspace }}/MixedRealityToolkit-Unity -OutputDirectory: ${{ github.workspace }}/build/upm/output -PrereleaseTag: dev -Revision: $(Get-Date -Format "yyMMddHHmmss") -BuildNumber: ${{ github.run_number }}
       shell: pwsh
 
     - name: Pack preview UPM packages
       if: github.event_name == 'push'
-      run: >
-        ${{ github.workspace }}/Pipelines/Scripts/pack-upm.ps1
-        -ProjectRoot: ${{ github.workspace }}/MixedRealityToolkit-Unity
-        -OutputDirectory: ${{ github.workspace }}/build/upm/output
-        -PrereleaseTag: pre
-        -Revision: $(Get-Date -Format "yyMMddHHmmss")
-        -BuildNumber: ${{ github.run_number }}
+      run: |
+        ${{ github.workspace }}/Pipelines/Scripts/pack-upm.ps1 -ProjectRoot: ${{ github.workspace }}/MixedRealityToolkit-Unity -OutputDirectory: ${{ github.workspace }}/build/upm/output -PrereleaseTag: pre -Revision: $(Get-Date -Format "yyMMddHHmmss") -BuildNumber: ${{ github.run_number }}
       shell: pwsh
 
     - uses: actions/upload-artifact@v4