Update quantities requirement from >=0.14.1 to >=0.16.4

[dependabot]

Updates the requirements on quantities to permit the latest version.

Changelog

Sourced from quantities's changelog.

0.16.4

• Fix problems with v0.16.3: deepcopy was not copying all necessary attributes of UnitQuantity; in-place arithmetic didn't handle multiplying by scalars

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0.16.3

• Fix broken deepcopy behaviour when using quantities with NumPy 2.x (PR#257 <https://github.com/python-quantities/python-quantities/pull/257>_)
• Fixes for assorted breakages that appear with recent NumPy versions (PR#262 <https://github.com/python-quantities/python-quantities/pull/262>, PR#267 <<https://github.com/python-quantities/python-quantities/pull/267>)
• Revert to previous behaviour where spaces around units were allowed (PR#270 <https://github.com/python-quantities/python-quantities/pull/270>_)
• Fix broken in-place arithmetic when using quantities with NumPy 2.x (PR#271 <https://github.com/python-quantities/python-quantities/pull/271>_)
• Add CI testing for Python 3.13 and 3.14, drop support for Python 3.9
• Add CI testing for NumPy versions 2.1 to 2.4, drop support for NumPy 1.22 and 1.23.

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0.16.2

• Added a property dimensionless_magnitude to the Quantity class ([PR#248 <https://github.com/python-quantities/python-quantities/pull/248>_])
• Implemented an alternative approach to avoiding arbitrary evaluation of code when parsing strings as units, which fixes some bugs introduced in v0.16.1 ([PR#251 <https://github.com/python-quantities/python-quantities/pull/251>_])
• Added the kilonewton

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0.16.1

• Fixed a couple of small bugs ([PR#238 <https://github.com/python-quantities/python-quantities/pull/238>] and [PR#242 <https://github.com/python-quantities/python-quantities/pull/242>])
• Added umath funcs: maximum & minimum

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0.16.0

• Added support for NumPy 2.0, while maintaining support for older versions back to 1.22 [PR#235 <https://github.com/python-quantities/python-quantities/pull/235>_]. Many thanks to Björn Dahlgren and Zach McKenzie for this.
• Fixed a potential security hole [PR#236 <https://github.com/python-quantities/python-quantities/pull/236>_]
• Dropped support for Python 3.8

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0.15.0

• Quantities now has type stubs for all classes and functions. Many thanks to Peter Konradi and Takumasa Nakamura for this major effort.
• Fixed a number of deprecations coming from NumPy (thanks to Zach McKenzie)
• Dropped support for NumPy 1.19, added testing for Numpy 1.25 and 1.26, and for Python 3.12

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0.14.1

... (truncated)

Commits

• 66762fd Fix some problems with v0.16.3: deepcopy was not copying all necessary attrib...
• 1f00997 Update download URL in codemeta.json
• 4a2fa38 Release 0.16.3
• fc80ed9 Fix #264; add scipy as an optional dependency
• 276789d Merge pull request #271 from apdavison/fix-inplace
• 0bb68ee avoid unecessary copies
• b218368 Merge pull request #257 from JakobKai/master
• 529fce6 Fix for failure to handle units when performing in-place multiplication and d...
• aec1f81 Added unit test for in-place multiplication, division and power, based on exa...
• cb64663 Merge pull request #270 from apdavison/issue259
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