ditch dev-requirements.in, as pip-compile produces invalid output anyway

dev-requirements.txt

@@ -1,81 +1,10 @@
-#
-# This file is autogenerated by pip-compile with Python 3.12
-# by the following command:
-#
-#    pip-compile dev-requirements.in
-#
-alabaster==0.7.12
-    # via sphinx
-asn1crypto==1.3.0
-    # via oscrypto
-babel==2.8.0
-    # via sphinx
-certifi==2019.11.28
-    # via requests
-cffi==1.14.0
-    # via cryptography
-chardet==3.0.4
-    # via requests
-cryptography==3.2
-    # via -r dev-requirements.in
-cython==0.29.15
-    # via -r dev-requirements.in
-docutils==0.16
-    # via sphinx
-idna==2.9
-    # via requests
-imagesize==1.2.0
-    # via sphinx
-jinja2==2.11.1
-    # via sphinx
-markupsafe==1.1.1
-    # via jinja2
-oscrypto==1.2.0
-    # via -r dev-requirements.in
-packaging==20.1
-    # via sphinx
-parameterized==0.7.4
-    # via -r dev-requirements.in
-pycparser==2.19
-    # via cffi
-pygments==2.5.2
-    # via sphinx
-pyparsing==2.4.6
-    # via packaging
-pytz==2019.3
-    # via babel
-requests==2.23.0
-    # via sphinx
-ruff==0.6.8
-    # via -r dev-requirements.in
-setuptools-scm==3.5.0
-    # via -r dev-requirements.in
-six==1.14.0
-    # via
-    #   cryptography
-    #   packaging
-snowballstemmer==2.0.0
-    # via sphinx
-sphinx==2.4.3
-    # via
-    #   -r dev-requirements.in
-    #   sphinx-rtd-theme
-sphinx-rtd-theme==0.4.3
-    # via -r dev-requirements.in
-sphinxcontrib-applehelp==1.0.1
-    # via sphinx
-sphinxcontrib-devhelp==1.0.1
-    # via sphinx
-sphinxcontrib-htmlhelp==1.0.3
-    # via sphinx
-sphinxcontrib-jsmath==1.0.1
-    # via sphinx
-sphinxcontrib-qthelp==1.0.2
-    # via sphinx
-sphinxcontrib-serializinghtml==1.1.3
-    # via sphinx
-urllib3==1.25.8
-    # via requests
+Cython
+setuptools_scm
 
-# The following packages are considered to be unsafe in a requirements file:
-# setuptools
+# Used for tests
+oscrypto
+cryptography
+parameterized
+ruff==0.8.2
+sphinx
+sphinx-rtd-theme