Merge remote-tracking branch 'upstream/develop' into toml-fmt

Author: tobiasdiez

.ci/README.md

@@ -6,8 +6,8 @@ conda config --env --add channels conda-forge
 conda config --env --set channel_priority strict
 conda update -y --all --override-channels -c conda-forge
 conda install mamba=1 -n base -y
-mamba env create -y --file environment-3.11-linux.yml || mamba env update -y --file environment-3.11-linux.yml
+mamba env create -y --file environment-3.11-linux.yml || mamba env update --file environment-3.11-linux.yml
 conda init bash
 
 # Build sage
-conda run -n sage-dev pip install --no-build-isolation -v -v -e .
+conda run -n sage-dev pip install --no-build-isolation -v -v -e . --config-settings=build-dir="build/conda-cp311"

.ci/head-tail.sh

@@ -21,9 +21,10 @@ uv pip install \
     meson-python \
     "cypari2 >=2.2.1" \
     "cysignals >=1.11.2, != 1.12.0" \
-    "cython >=3.0, != 3.0.3" \
+    "cython >=3.0, != 3.0.3, < 3.1.0" \
     "gmpy2 ~=2.1.b999" \
     memory_allocator \
     "numpy >=1.25" \
-    jinja2
-uv sync --frozen --inexact --no-build-isolation-package=sagemath
+    jinja2 \
+    setuptools
+uv sync --frozen --inexact --no-build-isolation --config-settings=builddir=build/build-$SYSTEM