Update test_requirements to latest package versions supported on Py 3.8

Author: JoshData

test_requirements.txt

@@ -7,20 +7,20 @@
 # the earliest Python version we support, and some exception
 # messages may depend on package versions, so we pin versions
 # for reproducible testing.)
-coverage==7.3.2
-dnspython==2.4.2
-exceptiongroup==1.1.3
-flake8==6.1.0
-idna==3.4
+coverage==7.4.3
+dnspython==2.6.1
+exceptiongroup==1.2.0
+flake8==7.0.0
+idna==3.6
 iniconfig==2.0.0
 mccabe==0.7.0
-mypy==1.6.1
+mypy==1.8.0
 mypy-extensions==1.0.0
 packaging==23.2
-pluggy==1.3.0
+pluggy==1.4.0
 pycodestyle==2.11.1
-pyflakes==3.1.0
-pytest==7.4.2
+pyflakes==3.2.0
+pytest==8.0.2
 pytest-cov==4.1.0
 tomli==2.0.1
-typing_extensions==4.8.0
+typing_extensions==4.10.0