Make bench job mandatory again in CI #1787

Job	Run time
abi_cafe (windows-latest, x86_64-pc-windows-msvc)	9m 55s
abi_cafe (macos-15-intel, x86_64-apple-darwin)	14m 58s
abi_cafe (macos-latest, aarch64-apple-darwin)	6m 27s
abi_cafe (ubuntu-latest, x86_64-unknown-linux-gnu)	7m 6s
abi_cafe (ubuntu-24.04-arm, aarch64-unknown-linux-gnu)	5m 36s
	44m 2s

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