Roll engine 4d6847466d0b..02e6a130e7dd (4 commits) (#34281)

https://github.com/flutter/engine/compare/4d6847466d0b...02e6a130e7dd

git log 4d6847466d0b8223f2d3ba9572e397306b6debf4..02e6a130e7dd23cd70ea0b2d947f3e1a0269190b --no-merges --oneline
02e6a130e Roll src/third_party/dart 7ecd81b0b8..b37aa3b036 (4 commits) (flutter/engine#9272)
95f9b3db6 Fix crash on minimize with GLFW shell (flutter/engine#9278)
8d017faea Roll src/third_party/skia a716809d5ad3..df586b7d568d (17 commits) (flutter/engine#9279)
10a3ab085 Fix missing return lint (flutter/engine#9246)

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bin/internal/engine.version

-4d6847466d0b8223f2d3ba9572e397306b6debf4
+02e6a130e7dd23cd70ea0b2d947f3e1a0269190b