[tracing] reduce locking section for accumulating span collector #256

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	name: Github CI

	on: [push, pull_request]

	env:
	MAVEN_OPTS: -Dmaven.artifact.threads=256 -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn

	jobs:
	build:
	name: Main Build
	runs-on: ubuntu-20.04
	steps:
	- name: Clone
	uses: actions/checkout@v3
	- name: Set up JDK
	uses: actions/setup-java@v1
	with:
	distribution: 'zulu'
	java-version: '11'
	cache: 'maven'
	- name: Build
	run: mvn install
	security_audit:
	name: Security Audit
	runs-on: ubuntu-20.04
	steps:
	- name: Clone
	uses: actions/checkout@v1
	- name: Set up JDK
	uses: actions/setup-java@v3
	with:
	distribution: 'zulu'
	java-version: '11'
	cache: 'maven'
	- name: Build
	run: mvn install -DskipTests ossindex:audit

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