Fix Read the Docs builds

Follow fix from pypa/setuptools#4496 and pin
`package` dependency to v24.1 to work around breaking change made in
`setuptools` v71.

docs/requirements.in

@@ -1,2 +1,3 @@
+packaging==24.1
 Sphinx>=5,<6
 sphinx_rtd_theme

docs/requirements.txt

@@ -1,58 +1,59 @@
 #
-# This file is autogenerated by pip-compile with python 3.10
-# To update, run:
+# This file is autogenerated by pip-compile with Python 3.12
+# by the following command:
 #
 #    pip-compile docs/requirements.in
 #
-alabaster==0.7.12
+alabaster==0.7.16
     # via sphinx
-babel==2.10.3
+babel==2.16.0
     # via sphinx
-certifi==2022.6.15
+certifi==2024.7.4
     # via requests
-charset-normalizer==2.1.0
+charset-normalizer==3.3.2
     # via requests
-docutils==0.17.1
+docutils==0.19
     # via
     #   sphinx
     #   sphinx-rtd-theme
-idna==3.3
+idna==3.7
     # via requests
 imagesize==1.4.1
     # via sphinx
-jinja2==3.1.2
+jinja2==3.1.4
     # via sphinx
-markupsafe==2.1.1
+markupsafe==2.1.5
     # via jinja2
-packaging==21.3
-    # via sphinx
-pygments==2.12.0
+packaging==24.1
+    # via
+    #   -r docs/requirements.in
+    #   sphinx
+pygments==2.18.0
     # via sphinx
-pyparsing==3.0.9
-    # via packaging
-pytz==2022.1
-    # via babel
-requests==2.28.1
+requests==2.32.3
     # via sphinx
 snowballstemmer==2.2.0
     # via sphinx
-sphinx==5.0.2
+sphinx==5.3.0
     # via
     #   -r docs/requirements.in
     #   sphinx-rtd-theme
-sphinx-rtd-theme==1.0.0
+    #   sphinxcontrib-jquery
+sphinx-rtd-theme==2.0.0
     # via -r docs/requirements.in
-sphinxcontrib-applehelp==1.0.2
+sphinxcontrib-applehelp==2.0.0
     # via sphinx
-sphinxcontrib-devhelp==1.0.2
+sphinxcontrib-devhelp==2.0.0
     # via sphinx
-sphinxcontrib-htmlhelp==2.0.0
+sphinxcontrib-htmlhelp==2.1.0
     # via sphinx
+sphinxcontrib-jquery==4.1
+    # via sphinx-rtd-theme
 sphinxcontrib-jsmath==1.0.1
     # via sphinx
-sphinxcontrib-qthelp==1.0.3
+sphinxcontrib-qthelp==2.0.0
     # via sphinx
-sphinxcontrib-serializinghtml==1.1.5
+sphinxcontrib-serializinghtml==2.0.0
     # via sphinx
-urllib3==1.26.9
+urllib3==2.2.2
     # via requests