Fix tox config and lock package versions

Signed-off-by: Alex Forencich <alex@alexforencich.com>

setup.cfg

@@ -49,7 +49,7 @@ addopts =
 [tox:tox]
 envlist = py37, py38, py39, py310
 skip_missing_interpreters = true
-minversion = 3.2.0
+minversion = 3.18.0
 requires = virtualenv >= 16.1
 
 [gh-actions]
@@ -64,17 +64,21 @@ setenv =
     COVERAGE=1
 
 deps =
-    pytest
-    pytest-xdist
-    cocotb-test
-    coverage
-    pytest-cov
+    pytest == 7.2.1
+    pytest-xdist == 3.1.0
+    cocotb == 1.6.2
+    cocotb-bus == 0.2.1
+    cocotb-test == 0.2.2
+    cocotbext-axi == 0.1.18
+    coverage == 5.5
+    pytest-cov == 4.0.0
 
 commands =
-    pytest --cov=cocotbext --cov=tests --cov-branch -n auto
+    pytest --cov=cocotbext --cov=tests --cov-branch {posargs:-n auto --verbose}
     bash -c 'find . -type f -name "\.coverage" | xargs coverage combine --append'
+    coverage report
 
-whitelist_externals =
+allowlist_externals =
     bash
 
 # combine if paths are different