Fix architecture-based early unit test exit logic, update mold => 2.34.1 to fix arm issues (#10617)

* Fix architecture-based early unit test exit logic.

Signed-off-by: Satadru Pramanik <satadru@gmail.com>

* Add mold binaries

Signed-off-by: Satadru Pramanik <satadru@gmail.com>

* Refactor unit test again.

Signed-off-by: Satadru Pramanik <satadru@gmail.com>

* Remove runner_check from unit tests.

Signed-off-by: Satadru Pramanik <satadru@gmail.com>

* lint yaml

Signed-off-by: Satadru Pramanik <satadru@gmail.com>

* Update workflow actions.

Signed-off-by: Satadru Pramanik <satadru@gmail.com>

* Fix action tag usage.

Signed-off-by: Satadru Pramanik <satadru@gmail.com>

* Add fail_on_error to markdownlint unit test.

Signed-off-by: Satadru Pramanik <satadru@gmail.com>

---------

Signed-off-by: Satadru Pramanik <satadru@gmail.com>

.github/workflows/Markdown-lint.yml

@@ -9,4 +9,6 @@ jobs:
       - name: Markdown-lint
         uses: reviewdog/action-markdownlint@v0
         with:
+          reporter: github-pr-review
+          fail_on_error: true
           markdownlint_flags: '-s .mdl_style.rb'