Sync eng/common directory with azure-sdk-tools for PR 15119 (#46292)

* Add SYSTEM_ACCESSTOKEN to Git release step

* Add SYSTEM_ACCESSTOKEN to publish-blobs.yml

---------

Co-authored-by: Ray Chen <raychen@microsoft.com>

Author: azure-sdk

eng/common/pipelines/templates/steps/create-tags-and-git-release.yml

@@ -25,6 +25,7 @@ steps:
   timeoutInMinutes: 5
   env:
     GH_TOKEN: $(azuresdk-github-pat)
+    SYSTEM_ACCESSTOKEN: $(System.AccessToken)
     ${{ if ne(parameters.NpmConfigUserConfig, '') }}:
       NPM_CONFIG_USERCONFIG: ${{ parameters.NpmConfigUserConfig }}
     ${{ if ne(parameters.NpmConfigRegistry, '') }}:

eng/common/pipelines/templates/steps/publish-blobs.yml

@@ -26,3 +26,4 @@ steps:
     pwsh: true
   env:
     AZCOPY_AUTO_LOGIN_TYPE: 'PSCRED'
+    SYSTEM_ACCESSTOKEN: $(System.AccessToken)