Support for `Interpolations.jl` v0.14

[ThummeTo]

Many state-of-the-art Julia Frameworks rely on Interpolations.jl v0.14, but NumericalIntegration.jl forces v0.13.
This results in many libraries aren't usabel together with NumericalIntegrations.jl.

Would be nice to add compat entry like:
Interpolations = "0.13, 0.14"

Thanks and best regards!

[m-wells]

Looks like CompatHelper hasn't been run in 12 months so that would help.

[wg030]

See my PR #46 and just add it to your project as long as it is not merged.

[ThummeTo]

When is this released?
We can't release a dependent library as long as this is not fixed. The CI-Tests running for me, even with the corrected dependency entry.

Best regards!

EDIT: But the tests are throwing warnings: Warning: RombergEven :: final step reached, but accuracy not: ... m > 1.0e-12

[ThummeTo]

Because the last release was in April 2021: Will there be a fix in a soon future or its is recommended to use an alternative?

Best regards & season's greetings!

[jmsull]

I would also appreciate a fix for this