Raise poetry-core version cap to 1.9.0 (#16986)

A new poetry-core version was released. See if CI is happy. Required for
the latest Fedora Synapse package.

1 files changed, 1 insertions, 1 deletions

diff --git a/pyproject.toml b/pyproject.toml

index 2bda9596f6..f05546b1c1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -382,7 +382,7 @@ furo = ">=2022.12.7,<2025.0.0"
 # runtime errors caused by build system changes.
 # We are happy to raise these upper bounds upon request,
 # provided we check that it's safe to do so (i.e. that CI passes).
-requires = ["poetry-core>=1.1.0,<=1.8.1", "setuptools_rust>=1.3,<=1.8.1"]
+requires = ["poetry-core>=1.1.0,<=1.9.0", "setuptools_rust>=1.3,<=1.8.1"]
 build-backend = "poetry.core.masonry.api"