Tests: limit tests t0 HA 2024.4.4 for now

Tests seem to be looping in the config_flow tests. Wait for the 2024.5
release notes to see if there is something mentioned there that needs
changing.

requirements-dev.txt

@@ -1,6 +1,6 @@
 fuzzywuzzy
 levenshtein
-pytest-homeassistant-custom-component~=0.13.99
+pytest-homeassistant-custom-component==0.13.115
 pytest
 pytest-asyncio
 pytest-cov