Prepare release `2.11` #9242

Job	Run time
check-rust (nightly)	52s
check-rust	2m 1s
check-website	20s
build test linux x86-64	7m 56s
build test windows x86-64	7m 42s
scarb-metadata compatibility check	25s
doc tests	1m 55s
test ${{ matrix.platform.name }} ${{ matrix.partition }}/4	1s
snforge-init	1s
test nightly crates ${{ matrix.platform.name }}	1s
	21m 14s

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