Add Export of metadata via XMP Sidecar #1226

Job	Run time
skip_check	7s
get_version	4s
type_check (3.8)	31s
lint (3.8)	20s
type_check (3.9)	33s
lint (3.9)	22s
type_check (3.10)	30s
lint (3.10)	24s
type_check (3.11)	31s
lint (3.11)	18s
type_check (3.12)	36s
lint (3.12)	29s
patch_version / patch_version	3s
extract_changelog / extract_changelog	4s
test (3.8)	43s
test (3.9)	49s
test_non_linux (3.12, macos-13)	1m 6s
test (3.10)	44s
test (3.11)	46s
test_non_linux (3.12, macos-14)	34s
test (3.12)	50s
test_non_linux (3.12, windows-2019)	2m 58s
test_non_linux (3.12, windows-2022)	2m 19s
	15m 41s

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