Bump gson from 2.8.8 to 2.8.9 in /cnf#135

dependabot[bot] wants to merge 1 commit intodevelopclehne/openems:developfrom

dependabot/maven/cnf/develop/com.google.code.gson-gson-2.8.9clehne/openems:dependabot/maven/cnf/develop/com.google.code.gson-gson-2.8.9Copy head branch name to clipboard