Bump io.projectreactor:reactor-core from 3.5.8 to 3.5.9 #89

	---
	name: Check pull requests (1.x branch)
	on:
	pull_request:
	branches:
	- '1.x'

	concurrency:
	group: "check-pull-request-1.x-${{ github.workflow }}-${{ github.ref }}"
	cancel-in-progress: true

	jobs:
	build:
	runs-on: ubuntu-20.04
	name: Build with Java 8
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-java@v2
	name: set up jdk 8
	with:
	distribution: temurin
	java-version: 8
	cache: maven
	- name: Build with Maven
	env:
	MAVEN_OPTS: ${{ matrix.java.opts }}
	run: ./mvnw -s .build/maven-ci-settings.xml -B clean verify
	compatibility:
	runs-on: ubuntu-20.04
	name: Compatibility Check
	steps:
	- uses: actions/checkout@v2
	- uses: actions/setup-java@v2
	with:
	java-version: 8
	distribution: temurin
	cache: maven
	- name: Compatibility Check
	run: ./mvnw -s .build/maven-ci-settings.xml -pl '!bom' -B install revapi:check@check-compatibility -DskipTests -fae

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