feat: add priority to serializer #700

Job	Run time
test / Lint Code	19s
test / Dependency Review	3s
test / Check Licenses	21s
test / Test (14, macos-latest)	1m 12s
test / Test (14, ubuntu-latest)	34s
test / Test Fastify Integration	0s
test / Test (16, macos-latest)	1m 2s
test / Test (16, ubuntu-latest)	28s
test / Test (16, windows-latest)	1m 16s
test / Test (18, macos-latest)	33s
test / Test (18, ubuntu-latest)	27s
test / Test (18, windows-latest)	1m 28s
test / Test (20, macos-latest)	43s
test / Test (20, ubuntu-latest)	22s
test / Test (20, windows-latest)	56s
test / Test (21, macos-latest)	37s
test / Test (21, ubuntu-latest)	24s
test / Test (21, windows-latest)	50s
test / Automerge Dependabot PRs	0s
	11m 35s

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