Install .so with a version and make symlink. Now libquiche.so has soname, so need to set it up correctly. Replace do-build with a default one. Add a default test target. Pet portfmt. Changelogs: https://github.com/cloudflare/quiche/releases/tag/0.22.0 https://github.com/cloudflare/quiche/releases/tag/0.21.0 PR: 280274 Approved by: submitter is maintainer