Add --strip-extras to pip-compile

It's warning that this will become the default soon, and passing it
silences the warning. It doesn't actually have an effect.

.pre-commit-config.yaml

@@ -53,16 +53,16 @@ repos:
     hooks:
       - name: pip-compile (py 3.12)
         id: pip-compile
-        args: [requirements.in, -o, requirements-3.12.txt]
+        args: [--strip-extras, requirements.in, -o, requirements-3.12.txt]
         language_version: python3.12
         files: '^(?:requirements\.in|requirements-3\.12\.txt)$'
       - name: pip-compile (py 3.13)
         id: pip-compile
-        args: [requirements.in, -o, requirements-3.13.txt]
+        args: [--strip-extras, requirements.in, -o, requirements-3.13.txt]
         language_version: python3.13
         files: '^(?:requirements\.in|requirements-3\.13\.txt)$'
       - name: pip-compile (readthedocs)
         id: pip-compile
-        args: [requirements-readthedocs.in, -o, requirements-readthedocs.txt]
+        args: [--strip-extras, requirements-readthedocs.in, -o, requirements-readthedocs.txt]
         language_version: python3.12
         files: '^requirements(?:-readthedocs|3\.12)?\.(?:in|txt)$'

requirements-3.12.txt

@@ -2,7 +2,7 @@
 # This file is autogenerated by pip-compile with Python 3.12
 # by the following command:
 #
-#    pip-compile --output-file=requirements-3.12.txt requirements.in
+#    pip-compile --output-file=requirements-3.12.txt --strip-extras requirements.in
 #
 iniconfig==2.0.0
     # via pytest

requirements-3.13.txt

@@ -2,7 +2,7 @@
 # This file is autogenerated by pip-compile with Python 3.13
 # by the following command:
 #
-#    pip-compile --output-file=requirements-3.13.txt requirements.in
+#    pip-compile --output-file=requirements-3.13.txt --strip-extras requirements.in
 #
 iniconfig==2.0.0
     # via pytest

requirements-readthedocs.txt

@@ -2,7 +2,7 @@
 # This file is autogenerated by pip-compile with Python 3.12
 # by the following command:
 #
-#    pip-compile --output-file=requirements-readthedocs.txt requirements-readthedocs.in
+#    pip-compile --output-file=requirements-readthedocs.txt --strip-extras requirements-readthedocs.in
 #
 alabaster==0.7.16
     # via sphinx