Add Matt Sicker's b4c70893b62babe8 key for org.apache.logging.log4j
Add Matt Sicker's b4c70893b62babe8 key for org.apache.logging.log4j

See https://downloads.apache.org/logging/KEYS

ham1/jmeter,ham1/jmeter,ham1/jmeter,apache/jmeter,apache/jmeter,ham1/jmeter,apache/jmeter,ham1/jmeter,apache/jmeter,apache/jmeter