[FIX] pin matlab R2025a in test action (typo)

Author: balbasty

.github/workflows/run_unit_tests.yml

@@ -19,7 +19,7 @@ jobs:
     strategy:
       fail-fast: False
       matrix:
-        matlab: ["2025a"]
+        matlab: ["R2025a"]
         os: [ubuntu-latest, macos-13, macos-latest, windows-latest]
         python-version: ["3.9", "3.10", "3.11", "3.12"]
         include: