[core] add pipeline to sync tsp spec in azure-core with latest tsp release (Azure#41482)

Co-authored-by: iscai-msft <[email protected]>

Author: iscai-msft

eng/pipelines/tsp-spec-sync.yml

@@ -0,0 +1,57 @@
+trigger: none
+
+extends:
+  template: /eng/pipelines/templates/stages/1es-redirect.yml
+  parameters:
+    oneESTemplateTag: ${{ parameters.oneESTemplateTag }}
+    stages:
+      - stage: TspSpecSync
+        jobs:
+          - job: TspSpecSync
+            displayName: 'TSP Spec Sync Job'
+            pool:
+              name: 'azsdk-pool'
+              image: 'ubuntu-24.04'
+              os: 'linux'
+            steps:
+              - task: UsePythonVersion@0
+                displayName: 'Set up Python'
+                inputs:
+                  versionSpec: '3.10'
+                  addToPath: true
+
+              - script: |
+                  npm install -g @azure-tools/typespec-client-generator-cli@latest
+                displayName: 'Install tsp-client'
+
+              - script: |
+                  git config --global user.name "ADO Pipeline"
+                  git config --global user.email "[email protected]"
+                displayName: 'Configure Git'
+
+              - script: |
+                  tsp-client update --local-spec-repo ../../specs/scratch/
+                displayName: 'Run TSP Client Update'
+                workingDirectory: ./sdk/core/azure-core/tests/specs_sdk/scratch
+
+              - script: |
+                  changes=$(git status --porcelain)
+                  if [ -n "$changes" ]; then
+                    echo "##vso[task.setvariable variable=hasChanges]true"
+                  else
+                    echo "##vso[task.setvariable variable=hasChanges]false"
+                  fi
+                displayName: 'Check for changes'
+
+              - template: /eng/common/pipelines/templates/steps/create-pull-request.yml
+                parameters:
+                  PRBranchName: 'automated/tsp-update-$(date +%Y%m%d%H%M%S)'
+                  PRTitle: 'Auto-update TSP client generated code'
+                  PRBody: |
+                    This PR was automatically created in response to changes in `emitter-package.json`.
+
+                    It updates the TSP client generated code. Tests should run automatically as part of the PR validation.
+
+                    Generated from workflow triggered by PR #$(System.PullRequest.PullRequestNumber).
+                  CommitMsg: 'Auto-update TSP client generated code'
+                condition: eq(variables['hasChanges'], 'true')