Sync eng/common directory with azure-sdk-tools for PR 2775 (Azure#23115)

* update baseline

* change version

* Update the credscan version

* add empty line

* Update credscan.yml

* Update eng/common/pipelines/templates/steps/credscan.yml

Co-authored-by: Wes Haggard <weshaggard@users.noreply.github.com>

Co-authored-by: sima-zhu <sizhu@microsoft.com>
Co-authored-by: Sima Zhu <48036328+sima-zhu@users.noreply.github.com>
Co-authored-by: Wes Haggard <weshaggard@users.noreply.github.com>

Author: 3 people

eng/common/pipelines/templates/steps/credscan.yml

@@ -27,6 +27,7 @@ steps:
 - task: securedevelopmentteam.vss-secure-development-tools.build-task-credscan.CredScan@3
   displayName: CredScan running
   inputs:
+    toolVersion: 2.2.7.8 
     scanFolder: "${{ parameters.SourceDirectory }}/credscan.tsv"
     suppressionsFile: ${{ parameters.SuppressionFilePath }}
 - task: securedevelopmentteam.vss-secure-development-tools.build-task-postanalysis.PostAnalysis@2
@@ -38,7 +39,7 @@ steps:
     GdnBreakGdnToolCredScanSeverity: Error
     GdnBreakBaselines: baseline
     # Used for generating baseline file.
-    # GdnBreakOutputBaselineFile: dotnet
+    # GdnBreakOutputBaselineFile: baseline
     # GdnBreakOutputBaseline: baseline
   condition: succeededOrFailed()
 - pwsh: |