Bump isort from 7.0.0 to 8.0.0 (#1501)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements/test.txt

@@ -1,7 +1,7 @@
 pylint==4.0.5
 ruff==0.15.2
 flake8==7.3.0
-isort==7.0.0
+isort==8.0.0
 mypy==1.19.1
 types-protobuf==6.32.1.20251210
 pytest>=6.2.4,<10