Ensure normalization tests are up to date in CI

Author: Jules-Bertholet

.github/workflows/rust.yml

@@ -41,7 +41,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
+    - uses: actions/setup-python@v5
+      with:
+        python-version: '3.12'
     - name: Regen
       run: cd scripts && python3 unicode.py
-    - name: Diff
+    - name: Diff tables
       run: diff src/tables.rs scripts/tables.rs
+    - name: Diff tests
+      run: diff tests/data/normalization_tests.rs scripts/normalization_tests.rs