⬆️ Update dependency syrupy to v4.8.0 (#515)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

poetry.lock

@@ -44,7 +44,7 @@ pytest-cov = "6.0.0"
 ruff = "0.7.4"
 safety = "3.2.11"
 yamllint = "1.35.1"
-syrupy = "4.7.2"
+syrupy = "4.8.0"
 
 [tool.poetry.urls]
 "Bug Tracker" = "https://github.com/joostlek/python-opensky/issues"