Bump dart_bridge_version to 1.3.0 #75

Job	Run time
Read build matrix from manifest	5s
Build Python 3.14.6 / Build Python for iOS and macOS	16m 20s
Build Python 3.14.6 / Build Python for Linux	23s
Build Python 3.12.13 / Build Python for iOS and macOS	26m 41s
Build Python 3.13.14 / Build Python for Android	6m 37s
Build Python 3.12.13 / Build Python for Linux	24s
Build Python 3.12.13 / Build Python for Android	6m 19s
Build Python 3.14.6 / Build Python for Windows	4m 59s
Build Python 3.12.13 / Build Python for Windows	4m 26s
Build Python 3.13.14 / Build Python for Windows	5m 23s
Build Python 3.14.6 / Build Python for Android	7m 35s
Build Python 3.13.14 / Build Python for Linux	21s
Build Python 3.13.14 / Build Python for iOS and macOS	18m 23s
Publish Release Assets	0s
	1h 37m 56s

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