v1.16: tokens: fix url clap arg name (backport of #34371) #4691

Job	Run time
check	4m 26s
test (token/cli, token/program, token/program-2022, associated-token-account/program)	28m 8s
test (single-pool/cli, single-pool/program)	20m 19s
cargo-test-sbf (token/program)	9m 44s
test (token-upgrade/cli, token-upgrade/program)	18m 3s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	16m 8s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	10m 56s
cargo-test-sbf (token-upgrade/program)	10m 27s
cargo-test-sbf (feature-proposal/program)	9m 35s
cargo-test-sbf (governance/addin-mock/program, governance/program)	14m 15s
cargo-test-sbf (memo/program)	9m 17s
cargo-test-sbf (name-service/program)	10m 12s
cargo-test-sbf (stake-pool/program)	12m 51s
cargo-test-sbf (single-pool/program)	10m 2s
	3h 4m 23s

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