chore: bump cloud.google.com/go/spanner from 1.71.0 to 1.73.0#6

dependabot[bot] wants to merge 1 commit intomainkhulnasoft/devsecdb:mainfrom

dependabot/go_modules/cloud.google.com/go/spanner-1.73.0khulnasoft/devsecdb:dependabot/go_modules/cloud.google.com/go/spanner-1.73.0Copy head branch name to clipboard