feat: gRPC codegen config in parent pom #311

Job	Run time
Basic checks	1m 7s
Build and publish artifacts and plugins locally	2m 15s
Run sbt test	3m 0s
Check service docker image contents	56s
Run annotation processor tests	1m 5s
Maven samples (shopping-cart-quickstart, true)	43s
Maven samples (choreography-saga-quickstart, true)	57s
Maven samples (doc-snippets, false)	36s
Maven samples (view-store, true)	1m 12s
Maven samples (spring-dependency-injection, true)	59s
Maven samples (event-sourced-customer-registry, true)	55s
Maven samples (event-sourced-counter-brokers, docker compose up -d, true)	1m 57s
Maven samples (event-sourced-customer-registry-subscriber, true, ./start-upstream.sh)	1m 9s
Maven samples (key-value-counter, true)	57s
Maven samples (key-value-shopping-cart, true)	54s
Maven samples (key-value-customer-registry, true)	56s
Maven samples (tracing, false)	48s
Maven samples (reliable-timers, true)	45s
Maven samples (transfer-workflow, true)	56s
Maven samples (transfer-workflow-compensation, true)	51s
	22m 58s

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