fixed an oopsie in requirements.txt name

.circleci/config.yml

@@ -34,7 +34,7 @@ jobs:
       - CIBW_SKIP: '*-musllinux_*'
       - CIBW_MANYLINUX_AARCH64_IMAGE: manylinux2014_base_aarch64
       - CIBW_MANYLINUX_PYPY_AARCH64_IMAGE: manylinux2014_base_aarch64
-      - CIBW_BEFORE_BUILD: pip install -r requirements.txt && python setup.py docs
+      - CIBW_BEFORE_BUILD: pip install -r requirements-dev.txt && python setup.py docs
       - CIBW_TEST_COMMAND: python -m pygame.tests -v --exclude opengl,music,timing --time_out 300
       - CIBW_BUILD_VERBOSITY: 2