chore(deps): update golang:1.19.5 docker digest to 2b649b8

tools/apko/Dockerfile.template

tools/bypass4netns/Dockerfile.template

tools/cnitool/Dockerfile.template

tools/ct/Dockerfile.template

tools/docker-manpages/Dockerfile.template

tools/emojisum/Dockerfile.template

tools/go-md2man/Dockerfile.template

tools/imgcrypt/Dockerfile.template

tools/in-toto/Dockerfile.template

tools/keybase/Dockerfile.template

tools/melange/Dockerfile.template

tools/oci-image-tool/Dockerfile.template

tools/oci-runtime-tool/Dockerfile.template

tools/podman-tui/Dockerfile.template

tools/sloop/Dockerfile.template

tools/trillian/Dockerfile.template

tools/vexctl/Dockerfile.template