Deprecate hash function from FileDependency

[dunkmann00]

This will enable URLDependency to compute the hash for the file at the temporary path. The temporary path should be the path to the downloaded file from URLDependency.url.

Relates-to: python-poetry/poetry#7121

• Added tests for changed code.
• Updated documentation for changed code.

[dimbleby]

Given the way that python-poetry/poetry#7121 is going, this wants to become an MR that deprecates or removes the hash() method on the file dependency

[dunkmann00]

I removed the hash function from URLDependency and the tests that went with it, so I think this should be good pending python-poetry/poetry#7121.

[radoering]

Please don't remove but deprecate it. See

poetry-core/src/poetry/core/utils/helpers.py

Lines 28 to 34 in 51e625d

	def normalize_version(version: str) -> str:
	warnings.warn(
	"normalize_version() is deprecated. Use Version.parse().to_string() instead.",
	DeprecationWarning,
	stacklevel=2,
	)
	return PEP440Version.parse(version).to_string()

for an example.

In the tests, please add a with pytest.warns(DeprecationWarning):

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[dunkmann00]

Okay, added it back with the deprecation warnings.