Add synapse expression support to validate mediator #2666

	name: Micro Integrator Build with Tests

	on:
	pull_request:
	branches:
	- master

	concurrency:
	group: ${{ github.event.number }}
	cancel-in-progress: true
	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout Synapse
	uses: actions/checkout@v1
	- name: Set up JDK 11
	uses: actions/setup-java@v3
	with:
	java-version: 11.0.16+8
	distribution: 'temurin'
	- name: Cache Maven packages
	uses: actions/cache@v2
	with:
	path: ~/.m2
	key: ${{ runner.os }}-m2
	restore-keys: ${{ runner.os }}-m2
	- name: Build Synapse with Maven
	run: mvn clean install --file pom.xml
	- name: Get synapse version
	run: mvn help:evaluate -Dexpression=project.version -q -DforceStdout > ../SYNAPSE_VERSION_FILE
	- name: Print synapse version
	run: \|
	echo $(cat ../SYNAPSE_VERSION_FILE)
	- name: Checkout MI
	uses: actions/checkout@v1
	with:
	repository: wso2/micro-integrator
	ref: refs/heads/master
	- name: Build MI with Maven
	run: mvn clean install -Dsynapse.version=$(cat ../SYNAPSE_VERSION_FILE) -fae --file ../micro-integrator/pom.xml

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