fix: update CI workflow test to match aarch64-unknown-linux-gnu target

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Co-Authored-By: Amplifier <240397093+microsoft-amplifier@users.noreply.github.com>

Author: bkrabach

tests/test_ci_workflows.py

@@ -187,7 +187,7 @@ def test_linux_aarch64_targets_aarch64(self):
         steps = wf["jobs"]["build-linux-aarch64"]["steps"]
         maturin_steps = [s for s in steps if "maturin-action" in s.get("uses", "")]
         assert len(maturin_steps) == 1
-        assert maturin_steps[0]["with"]["target"] == "aarch64"
+        assert maturin_steps[0]["with"]["target"] == "aarch64-unknown-linux-gnu"
 
     def test_linux_aarch64_uploads_artifacts(self):
         wf = self._load()