sdk: Add wasm target for docs #14279

Job	Run time
cargo-test-sbf (token/program)	10m 11s
test (token/cli, token/program, token/program-2022, associated-token-account/program, instruction...	17m 12s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	15m 39s
check	4m 16s
test (single-pool/cli, single-pool/program)	17m 19s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	9m 49s
test (token-upgrade/cli, token-upgrade/program)	15m 25s
cargo-test-sbf (token-upgrade/program)	8m 46s
cargo-test-sbf (feature-proposal/program)	8m 36s
cargo-test-sbf (governance/addin-mock/program, governance/program)	12m 45s
cargo-test-sbf (name-service/program)	9m 52s
cargo-test-sbf (stake-pool/program)	11m 48s
cargo-test-sbf (single-pool/program)	9m 20s
	2h 30m 58s

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