2.21.1

Various fixes & improvements

• fix: Strip /api/0 prefix from endpoint URLs (#1752) by @loewenheim
• meta: Fix 2.21.0 changelog (#1753) by @loewenheim
• release: 2.21.0 (#1751) by @loewenheim
• deps: Update symbolic to 12.4.1 (#1749) by @loewenheim
• feat(upload): Introduce --wait-for option (#1748) by @loewenheim
• fix(rn): Upload root bundle source map for ram bundles (#1743) by @krystofwoldrich
• feat(rn): Add Debug Id reference from Source Map, Upload Hermes Source Map (#1667) by @krystofwoldrich
• feat(login): Open org auth token creation page (#1737) by @loewenheim