Manually list CPython doc requirements

Author: lysnikolaou

requirements.txt

@@ -1,4 +1,11 @@
-poutils
-pre-commit
+poutils==0.15.4
+pre-commit==3.7.1
 
--r cpython/Doc/requirements.txt
+# Rest of dependencies from cpython/Doc/requirements.txt
+# Manually listed here so that we install sphinx version 5
+# and any version conflicts are avoided.
+Sphinx==7.3.7
+blurb==1.1.0
+sphinxext-opengraph==0.9.1
+python-docs-theme==2024.4
+-c cpython/Doc/constraints.txt