Prepare release 5.3.0 #3476

Job	Run time
stsci / Load tox environments	7s
asdf / Load tox environments	10s
astropy / Load tox environments	7s
third-party / Load tox environments	6s
third-party / sunpy (ubuntu-latest)	2m 35s
third-party / abacusutils (ubuntu-latest)	1m 14s
third-party / weldx (ubuntu-latest)	2m 26s
third-party / dkist (ubuntu-latest)	3m 18s
stsci / gwcs (ubuntu-latest)	1m 11s
stsci / jwst (ubuntu-latest)	54m 29s
stsci / stpipe (ubuntu-latest)	50s
stsci / stdatamodels (ubuntu-latest)	2m 7s
stsci / roman_datamodels (ubuntu-latest)	3m 21s
stsci / astrocut (ubuntu-latest)	3m 35s
astropy / asdf-astropy (ubuntu-latest)	1m 51s
astropy / specutils (ubuntu-latest)	1m 36s
asdf / asdf-zarr (ubuntu-latest)	31s
asdf / asdf-wcs-schemas (ubuntu-latest)	1m 22s
asdf / asdf-coordinates-schemas (ubuntu-latest)	2m 15s
asdf / asdf-compression (ubuntu-latest)	27s
astropy / report overall test coverage	0s
asdf / report overall test coverage	0s
third-party / report overall test coverage	0s
stsci / report overall test coverage	0s
	1h 23m 38s

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