Bump prost from 0.9.0 to 0.12.6 #11498

Job	Run time
audit	47s
clippy-check	2m 20s
format	14s
license	4s
safety	10s
unused-deps (.)	24s
unused-deps (tremor-api)	22s
unused-deps (tremor-cli)	16s
unused-deps (tremor-codec)	22s
unused-deps (tremor-common)	15s
unused-deps (tremor-influx)	14s
unused-deps (tremor-interceptor)	23s
unused-deps (tremor-pipeline)	16s
unused-deps (tremor-script)	25s
unused-deps (tremor-value)	19s
unused-deps (tremor-system)	15s
unused-deps (tremor-connectors)	25s
unused-deps (tremor-connectors-aws)	16s
unused-deps (tremor-connectors-azure)	16s
unused-deps (tremor-connectors-gcp)	14s
unused-deps (tremor-connectors-otel)	16s
unused-deps (tremor-connectors-object-storage)	23s
unused-deps (tremor-connectors-test-helpers)	14s
Code Quality	1s
	9m 11s

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