Fix ByteBuf leak in gRPC marshaller and implement Drainable #20

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	# Copyright 2020 Splunk Inc.
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	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
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	name: CI - Unit

	on:
	pull_request:
	branches:
	- master
	push:
	branches:
	- master
	- branch-*

	jobs:
	unit-tests:
	runs-on: ubuntu-latest
	timeout-minutes: 30

	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Set up JDK 17
	uses: actions/setup-java@v4
	with:
	java-version: '17'
	distribution: temurin
	cache: maven

	- name: Build and run tests
	run: mvn -B -ntp -Dgpg.skip install

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