Doctest modules are now opt-in and run in Python 3.12

pytest-sphinx is not compatible with Python 3.13: twmr/pytest-sphinx#67

Author: ricardoV94

.github/workflows/test.yml

@@ -83,7 +83,6 @@ jobs:
         install-jax: [0]
         install-torch: [0]
         part:
-          - "--doctest-modules pytensor --ignore=pytensor/misc/check_duplicate_key.py --ignore=pytensor/link"
           - "tests --ignore=tests/tensor --ignore=tests/scan --ignore=tests/sparse"
           - "tests/scan"
           - "tests/sparse"
@@ -100,19 +99,22 @@ jobs:
             float32: 1
           - fast-compile: 1
             float32: 1
-          - part: "--doctest-modules pytensor --ignore=pytensor/misc/check_duplicate_key.py --ignore=pytensor/link"
-            float32: 1
-          - part: "--doctest-modules pytensor --ignore=pytensor/misc/check_duplicate_key.py --ignore=pytensor/link"
-            fast-compile: 1
           - numpy-version: "~=1.26.0"
             fast-compile: 1
           - numpy-version: "~=1.26.0"
             float32: 1
           - numpy-version: "~=1.26.0"
             python-version: "3.13"
-          - numpy-version: "~=1.26.0"
-            part: "--doctest-modules pytensor --ignore=pytensor/misc/check_duplicate_key.py --ignore=pytensor/link"
         include:
+          - os: "ubuntu-latest"
+            part: "--doctest-modules pytensor --ignore=pytensor/misc/check_duplicate_key.py --ignore=pytensor/link"
+            python-version: "3.12"
+            numpy-version: ">=2.0"
+            fast-compile: 0
+            float32: 0
+            install-numba: 0
+            install-jax: 0
+            install-torch: 0
           - install-numba: 1
             os: "ubuntu-latest"
             python-version: "3.10"