Bump kotlin.version from 2.0.20 to 2.0.21 #3078

	#
	# Copyright 2017-2020 Adobe.
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.
	#

	# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven

	name: Maven Build

	on:
	push:
	branches: [s3mock-v2, main]
	pull_request:
	branches: [s3mock-v2, main]

	permissions:
	contents: read

	concurrency:
	group: ci-${{ github.ref }}
	cancel-in-progress: ${{ github.ref_name != 'main' }}

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Harden Runner
	uses: step-security/harden-runner@91182cccc01eb5e619899d80e4e971d6181294a7 # v2.10.1
	with:
	egress-policy: audit

	- uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
	with:
	fetch-depth: 0
	- name: Set up JDK
	uses: actions/setup-java@b36c23c0d998641eff861008f374ee103c25ac73 # v4.4.0
	with:
	java-version: 21
	distribution: 'temurin'
	cache: 'maven'
	- name: Build with Maven
	run: ./mvnw -B -V -Dstyle.color=always clean verify

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