Update pytest requirement from <8,>=7.0 to >=7.0,<9 (jupyter-server#1402)

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

Author: dependabot[bot]

pyproject.toml

@@ -57,7 +57,7 @@ test = [
     "pytest-console-scripts",
     "pytest-timeout",
     "pytest-jupyter[server]>=0.7",
-    "pytest>=7.0,<8",
+    "pytest>=7.0,<9",
     "requests",
     "pre-commit",
     'flaky'