Bump github.com/google/go-containerregistry from 0.20.2 to 0.20.3 in /tools/release/image-mirror#2952

dependabot[bot] wants to merge 1 commit intomainaws-observability/aws-otel-collector:mainfrom

dependabot/go_modules/tools/release/image-mirror/github.com/google/go-containerregistry-0.20.3aws-observability/aws-otel-collector:dependabot/go_modules/tools/release/image-mirror/github.com/google/go-containerregistry-0.20.3Copy head branch name to clipboard