chore(deps): update Flutter SDK (metrics) to v3.13.9 #5671

Job	Run time
android \| ubuntu-latest \| stable	12m 23s
cancel-previous-workflow	5s
android \| ubuntu-latest \| beta	10m 40s
web \| ubuntu-latest \| stable	9m 54s
web \| ubuntu-latest \| beta	9m 29s
pod-lint	2m 38s
linux \| ubuntu-latest \| stable	10m 43s
linux \| ubuntu-latest \| beta	10m 53s
swift-lint	45s
windows \| windows-latest \| stable	9m 17s
windows \| windows-latest \| beta	7m 44s
detekt	18s
ios \| macos-latest \| stable	9m 28s
macos \| macos-latest \| stable	10m 26s
ktlint	16s
analyze / analyze	5m 18s
analyze / cancel-previous-workflow	5s
analyze / package-analysis	1m 41s
	1h 52m 3s

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