Bump gson from 2.8.9 to 2.9.1 in /cnf#376

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

dependabot/maven/cnf/develop/com.google.code.gson-gson-2.9.1clehne/openems:dependabot/maven/cnf/develop/com.google.code.gson-gson-2.9.1Copy head branch name to clipboard