Use pyproject.toml for versioneer and pytest.

    - Remove setup.cfg
    - Update coverage workflow

Author: Diptorup Deb

.github/workflows/coverage.yml

@@ -7,6 +7,7 @@ on:
     paths:
       - 'numba_dpex/**'
       - environment/coverage.yml
+      - pyproject.toml
 
 jobs:
   main:
@@ -52,7 +53,7 @@ jobs:
 
       - name: Run tests with coverage
         run: |
-          pytest -q -ra --disable-warnings --cov --cov-report term-missing --pyargs numba_dpex -vv
+          pytest
 
       - name: Install coveralls
         shell: bash -l {0}

pyproject.toml

@@ -43,6 +43,7 @@ exclude_lines = [
 VCS = "git"
 style = "pep440"
 versionfile_source = "numba_dpex/_version.py"
+versionfile_build = "numba_dpex/_version.py"
 parentdir_prefix = ""
 
 [tool.pylint]
@@ -60,3 +61,24 @@ requires = [
     "versioneer-518"
 ]
 build-backend = "setuptools.build_meta"
+
+[tool.pytest.ini.options]
+minversion = "6.0"
+norecursedirs= [
+    ".*", "*.egg*", "build", "dist", "conda-recipe",
+]
+xfail_strict = true
+addopts = [
+    "--disable-warnings",
+    "--ignore setup.py",
+    "--ignore run_test.py",
+    "--cov",
+    "--cov-report term-missing",
+    "--tb native",
+    "--strict",
+    "--durations=20",
+    "-q -ra -vv",
+]
+testpaths = [
+    "numba_dpex/tests"
+]