Various fixes & improvements
- ref: also distribute sentry-cli as a pip package (1494) by asottile-sentry
- ref: Support lower and uppercased env vars for npm cache (1493) by kamilogorek
- feat: Add sourcemaps inject command (1469) by loewenheim
- chore: update clap to v4 (1489) by vaind
- chore: update clap deprecations (1487) by vaind
- deps: Update symbolic to 12.0.0 (1488) by loewenheim
- feat: add new `debug-files print-sources` command (1476) by vaind