2.28.0

Various fixes & improvements

• Apply formatting changes (#219) by @billyvg
• meta: Update default branch for merge target (#217) by @billyvg
• perf(mutation): refactor parent removed detection to iterative procedure (rrweb-io#1489) by @JonasBa
• Refactor to preclude the need for a continuous raf loop (rrweb-io#1328) by @eoghanmurray
• No neg lookbehind (rrweb-io#1493) by @eoghanmurray
• Removing global document references (rrweb-io#1482) by @AlfieJones
• Return early for child same origin frames (rrweb-io#1295) by @colingm
• inlineImages: Setting of image.crossOrigin is not always necessary (rrweb-io#1468) by @eoghanmurray
• Version Packages (alpha) (rrweb-io#1453) by @github-actions