Rename 16-bit RGB rawmodes #9060

Job	Run time
macos-latest Python pypy3.10	5m 23s
macos-latest Python 3.13	2m 35s
macos-latest Python 3.12	2m 29s
macos-latest Python 3.11	2m 33s
macos-latest Python 3.10	2m 35s
ubuntu-latest Python pypy3.10	8m 8s
ubuntu-latest Python 3.13	4m 33s
ubuntu-latest Python 3.12	3m 54s
ubuntu-latest Python 3.11	4m 37s
ubuntu-latest Python 3.10	5m 14s
ubuntu-latest Python 3.9	4m 41s
ubuntu-latest Python 3.13-dev free-threaded	4m 59s
macos-13 Python 3.9	4m 17s
Test Successful	1s
	55m 59s

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