Bump postgresql from 42.1.1 to 42.4.1 in /postgis#21

dependabot[bot] wants to merge 1 commit intomastergraphium-project/graphium:masterfrom

dependabot/maven/postgis/org.postgresql-postgresql-42.4.1graphium-project/graphium:dependabot/maven/postgis/org.postgresql-postgresql-42.4.1Copy head branch name to clipboard