[llvm] [CI] Add checkmark emojis for passing builds (PR #170183)

[via llvm-commits]

github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {darker}-->


:warning: Python code formatter, darker found issues in your code. :warning:

<details>
<summary>
You can test this locally with the following command:
</summary>

``````````bash
darker --check --diff -r origin/main...HEAD .ci/generate_test_report_lib.py .ci/generate_test_report_lib_test.py
``````````

:warning:
The reproduction instructions above might return results for more than one PR
in a stack if you are using a stacked PR workflow. You can limit the results by
changing `origin/main` to the base branch/commit you want to compare against.
:warning:

</details>

<details>
<summary>
View the diff from darker here.
</summary>

``````````diff
--- generate_test_report_lib.py	2025-12-01 18:56:30.000000 +0000
+++ generate_test_report_lib.py	2025-12-01 18:58:56.110631 +0000
@@ -271,11 +271,13 @@
                     "",
                 ]
             )
             report.extend(_format_failures(ninja_failures, failure_explanations))
     else:
-        report.extend(["", ":white_check_mark: The build succeeded and all tests passed."])
+        report.extend(
+            ["", ":white_check_mark: The build succeeded and all tests passed."]
+        )
 
     if failures or return_code != 0:
         report.extend(["", UNRELATED_FAILURES_STR])
 
     report = "\n".join(report)

``````````

</details>


https://github.com/llvm/llvm-project/pull/170183