chore(deps): update pint requirement from <0.20 to <0.22

[dependabot]

Updates the requirements on pint to permit the latest version.

Changelog

Sourced from pint's changelog.

0.21.1 (2023-05-20)

• No problems reported with rc1.

0.21.1rc1 (2023-05-19)

• Allow non-quantity atol parameters for isclose and allclose. (PR #1783)

0.21 (2023-05-01)

• Add PEP621/631 support. (Issue #1647)
• Exposed matplotlib unit formatter (PR #1703)
• Fix error when when re-registering a formatter. (PR #1629)
• Add new SI prefixes: ronna-, ronto-, quetta-, quecto-. (PR #1652)
• Fix unit check with atol using np.allclose & np.isclose. (Issue #1658)
• Implementation for numpy.positive added for Quantity. (PR #1663)
• Changed frequency to angular frequency in the docs. (PR #1668)
• Remove deprecated alen numpy function (PR #1678)
• Updated URLs for log and offset unit errors. (PR #1727)
• Patched TYPE_CHECKING import regression. (PR #1686)
• Parse '°' along with previous text, rather than adding a space, allowing, eg 'Δ°C' as a unit. (PR #1729)
• Improved escaping of special characters for LaTeX format (PR #1712)
• Avoid addition of spurious trailing zeros when converting units and non-int-type is Decimal (PR #1625).
• Implementation for numpy.delete added for Quantity. (PR #1669)
• Fixed Quantity type returned from __dask_postcompute__. (PR #1722)
• Added Townsend unit (PR #1738)
• Fix get_compatible_units() in dynamically added units. (Issue #1725)

... (truncated)

Commits

• cc7d037 Preparing for 0.21.1
• fc029c5 Preparing release 0.21.1rc1
• 967a7d5 Update CHANGES
• 2e4baa2 add a special implementation for isclose and allclose
• d3d53d5 check that non-quantity atol do not raise
• ef3a6ec Preparing release 0.21
• e4a0cbf Add zest releaser to setup.cfg
• 9875438 Improved MANIFEST.in
• f3f2158 Merge pull request #1762 from jules-ch/fix-upcast-types
• f7da980 fix(upcast): Fix upcast function
• Additional commits viewable in compare view

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[lewisjared]

Hmm interesting that this hasn't included 0.22. There might be other constraints that clash

[znicholls]

Might have to upgrade pint-pandas at the same time to make this work

[znicholls]

Might have to upgrade pint-pandas at the same time to make this work

Only v 0.3 is being installed in the CI for reasons that aren't immediattely obvious to me

[phackstock]

@dependabot rebase

[dependabot]

Sorry, only users with push access can use that command.

[phackstock]

@znicholls or @lewisjared now that openscm supports pandas 2.0 could you rebase this PR to see if that fixes the issue?
I don't have the permissions to do that.

[lewisjared]

Don' think it will work as we need to resolve #234
@dependabot rebase

[dependabot]

Looks like this PR is already up-to-date with master! If you'd still like to recreate it from scratch, overwriting any edits, you can request @dependabot recreate.

[dependabot]

Looks like pint is no longer updatable, so this is no longer needed.