Add bad backtracking test cases

scripts/requirements/backtracking/apache-beam-dill.in

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+# Run with Python 3.10.
+# Passes with pip-tools, fails with uv
+
+dill<0.3.9,>=0.2.2
+apache-beam<=2.49.0

scripts/requirements/backtracking/numpy-numba.in

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+# Run with Python 3.12.
+# As of 2024-10-14:
+# llvmlite==0.36.0
+# numba==0.53.1
+# numpy==2.1.2
+# setuptools==75.1.0
+
+numpy>=2.1,<2.2
+numba<=0.60,>0.1

scripts/requirements/backtracking/numpy-sparse.in

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+# Fails with: uv pip install -p 3.12 -r numpy-numba.in
+# As of 2024-10-14:
+# llvmlite==0.36.0
+# numba==0.53.1
+# numpy==2.1.2
+# setuptools==75.1.0
+
+numpy>=1.24,<2.1.2
+sparse<0.15.4

scripts/requirements/backtracking/sentry.in

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+# Run with Python 3.12.
+# As of 2024-10-14:
+# fastjsonschema==2.20.0
+# msgpack==1.1.0
+# python-rapidjson==1.8
+# pyyaml==6.0.2
+# sentry-kafka-schemas==0.1.113
+# typing-extensions==4.12.2
+
+python-rapidjson<=1.20,>=1.4
+sentry-kafka-schemas<=0.1.113,>=0.1.50

scripts/requirements/backtracking/starlette-fastapi.in

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+# Run with Python 3.12.
+# As of 2024-10-14:
+# annotated-types==0.7.0
+# anyio==4.6.2
+# fastapi==0.1.17
+# idna==3.10
+# pydantic==2.9.2
+# pydantic-core==2.23.4
+# sniffio==1.3.1
+# starlette==0.36.0
+# typing-extensions==4.12.2
+
+starlette<=0.36.0
+fastapi<=0.115.2