Bump version to 0.2.11 #63

Job	Run time
Web UI Gates	4m 31s
Build (x86_64-unknown-linux-gnu)	8m 56s
Build (x86_64-pc-windows-msvc)	18m 21s
Build (aarch64-apple-darwin)	4m 21s
Build (x86_64-apple-darwin)	15m 20s
Publish GitHub release (tags only)	17s
Publish to public repo (tags only)	13s
	51m 59s

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