ports-mgmt/pkg-devel: update to 1.21.99.4

Changes:

• ABI detection related fixes
• Lots of fixs for MacOS
• Fix host component handling in file:// URLs
• build system: add --with-tsan support
• fix threads on MacOS
• pkg -vv now shows bundled/external libraries version
• pkg: -r command can be used multiple times to only enable the specified repositories.
• UI: small improvements in error messages
• repositories: new pkg repositories command to list configured repositories
• vuxml: now fetched over https
• check: now default on the -s option when no options is passed.