Add commit sha1 to action summary

Author: mlocati

.github/workflows/winget.yml

@@ -181,6 +181,10 @@ jobs:
           if (-not($?)) {
             throw "Failed to commit changes: $($Error[0])"
           }
+          $commitHash = git rev-parse HEAD
+          if (-not($?)) {
+            throw "Failed to get commit hash: $($Error[0])"
+          }
           git push fork $branchName
           if (-not($?)) {
             throw "Failed to push changes to fork: $($Error[0])"
@@ -191,6 +195,9 @@ jobs:
           Branch created:
           $branchName
 
+          Commit hash:
+          $commitHash
+
           View changes in fork:
           https://github.com/$($env:WINGETPKGS_REPO_FORK)/commits/$branchName