We do not need to check sources, coverage, typing for this project.

--- sybil-10.1.0/pyproject.toml.orig
+++ sybil-10.1.0/pyproject.toml
@@ -25,13 +25,9 @@
 
 [dependency-groups]
 dev = [
-    "mypy>=1.0",
     "pytest>=8",
-    "pytest-cov>=6",
-    "ruff>=0.15.7",
     "seedir",
     "testfixtures>=11",
-    "types-PyYAML",
 ]
 docs = [
     "furo",