Replace label functions

[teunbrand]

Hi all,

We've been preparing a new major release for ggplot2 and found an issue during a reverse dependency check.
The issue is essentially expect_no_condition() tests on code that now throws lifecycle warnings.
This PR replaces the deprecated functions.

Some visual tests may be affected too, due to changes in default bin calculations. Since these won't run on CRAN, it'd probably be best to update the snapshots at some later time.

You can test your code with the development version of ggplot2 by installing it as follows:

# install.packages("pak")
pak::pak("tidyverse/ggplot2")

We aim to release the new ggplot2 version in about 2 weeks, and hope you can submit a fix to CRAN around that time or let us know when ggplot2 should change. Hopefully this will inform you in a timely manner.

Best wishes,
Teun

[simonpcouch]

Got it, thanks for making these changes happen!

[teunbrand]

Thanks for the swift action!

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