update pytest pins

.github/workflows/tests.yml

@@ -22,7 +22,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.11"]
         # Only test the latest major release of Sphinx because otherwise we need to
         # keep multiple versions of regression tests on file and this creates lots of
         # noise in the tests.
@@ -51,7 +51,7 @@ jobs:
         pytest --durations=10 --cov=quantecon_book_theme --cov-report=xml --cov-report=term-missing
 
     - name: Upload to Codecov
-      if: matrix.os == 'ubuntu-latest' && matrix.python-version == 3.9 && github.repository == 'QuantEcon/quantecon-book-theme' && github.event_name == 'pull_request'
+      if: matrix.os == 'ubuntu-latest' && matrix.python-version == 3.11 && github.repository == 'QuantEcon/quantecon-book-theme' && github.event_name == 'pull_request'
       uses: codecov/codecov-action@v3.1.4
       with:
         name: ebp-qbt-pytests-py3.7
@@ -70,7 +70,7 @@ jobs:
       - name: Set up Python 3.10
         uses: actions/setup-python@v4
         with:
-          python-version: "3.10"
+          python-version: "3.11"
       - name: Build package
         run: |
           python -m pip install -U pip build

pyproject.toml

@@ -70,11 +70,11 @@ doc = [
 test = [
     "myst_nb",
     "coverage",
-    "pytest~=7.1",
+    "pytest",
     "pytest-cov",
     "beautifulsoup4",
     "sphinx_thebe",
-    "pytest-regressions~=2.0.1",
+    "pytest-regressions",
     "sphinx_copybutton",
     "sphinx_togglebutton",
 ]