sign executable for osx-arm64 runtime (#1934)

* sign executables for mac

* fix indention

* use codesign

* fix directory

* add mkdir

* update release step

* fix error

* add migration and kusto executables

* revert the version change

azure-pipelines/build.yml

@@ -9,7 +9,7 @@ parameters:
       archiveType: 'tar'
     - name: 'osx-arm64'
       displayName: 'osx arm'
-      archiveName: 'osx-arm64'
+      archiveName: 'osx-arm64-unsigned'
       archiveFileFormat: 'tar.gz'
       archiveType: 'tar'
     - name: 'rhel.7.2-x64'