Ensure the tests use the expected release of BirdNET for cmdline comparison

Author: joeweiss

.github/workflows/test.yml

@@ -37,4 +37,5 @@ jobs:
           # if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
       - name: Test with pytest
         run: |
+          git -C tests/BirdNET-Analyzer checkout 98945574c68102ccfac6c3504fcc63e64ed6f9e3
           pytest -m "not omit_during_ghactions"