Use to_json_binary in airdrop contracts

[humanalgorithm]

Need to update from deprecated to_binary to to_json_binary

[github-actions]

Cosm-Orc Gas Usage

Contract	Op Name	Gas Used	Old Gas Used	Gas Diff	File
vending_factory	Store__Store	3408347	3082476	+10.5717%	e2e/src/helpers/chain.rs:78
multiple_contracts	Execute__minter_batch_exec_mint_token	18820499	3158376	+495.8917%	e2e/src/tests/factory_test.rs:164
open_edition_factory	Execute__factory_exec_minter_inst	543789	547471	-0.6725%	e2e/src/tests/open_edition_minter_executes_tests.rs:60
open_edition_factory	Store__Store	3813089	3506900	+8.7310%	e2e/src/helpers/chain.rs:78
base_factory	Store__Store	2989591	2696792	+10.8573%	e2e/src/helpers/chain.rs:78
base_minter	Store__Store	7166934	7068056	+1.3989%	e2e/src/helpers/chain.rs:78
open_edition_minter	Store__Store	8826066	8700070	+1.4482%	e2e/src/helpers/chain.rs:78
sg721_base	Store__Store	8525902	8416494	+1.2999%	e2e/src/helpers/chain.rs:78
sg721_metadata_onchain	Store__Store	8983749	8886444	+1.0950%	e2e/src/helpers/chain.rs:78
sg721_nt	Store__Store	7947246	7842375	+1.3372%	e2e/src/helpers/chain.rs:78
sg721_updatable	Store__Store	9332175	9204723	+1.3846%	e2e/src/helpers/chain.rs:78
sg_whitelist	Store__Store	3711208	3599317	+3.1087%	e2e/src/helpers/chain.rs:78
sg_whitelist_flex	Store__Store	3648262	3528506	+3.3940%	e2e/src/helpers/chain.rs:78
vending_minter	Store__Store	9022424	8892840	+1.4572%	e2e/src/helpers/chain.rs:78
vending_minter_merkle_wl	Store__Store	9270919	9138800	+1.4457%	e2e/src/helpers/chain.rs:78
vending_minter_wl_flex	Store__Store	9202084	9075906	+1.3903%	e2e/src/helpers/chain.rs:78
whitelist_immutable	Store__Store	2271029	2206354	+2.9313%	e2e/src/helpers/chain.rs:78
whitelist_mtree	Store__Store	7154909	7025364	+1.8440%	e2e/src/helpers/chain.rs:78

Raw Report for f0616a4

Contract	Op Name	Gas Used	Gas Wanted	File
vending_factory	Instantiate__factory_inst	187265	257829	e2e/src/helpers/helper.rs:35
vending_factory	Store__Store	3408347	5089380	e2e/src/helpers/chain.rs:78
vending_factory	Execute__factory_exec_minter_inst_w_trading_time	3858651	5764782	e2e/src/tests/factory_test.rs:244
vending_factory	Execute__factory_exec_minter_inst	34037901	51033629	e2e/src/tests/factory_test.rs:98
multiple_contracts	Execute__minter_batch_exec_mint_token_w_trading_time	1947964	2895806	e2e/src/tests/factory_test.rs:314
multiple_contracts	Execute__minter_batch_exec_mint_token	18820499	28224861	e2e/src/tests/factory_test.rs:164
open_edition_factory	Execute__factory_exec_minter_inst_w_trading_time	548183	799151	e2e/src/tests/open_edition_factory_and_mint_tests.rs:411
open_edition_factory	Instantiate__factory_inst	188168	259134	e2e/src/helpers/open_edition_minter_helpers.rs:39
open_edition_factory	Execute__factory_exec_minter_inst	543789	792560	e2e/src/tests/open_edition_minter_executes_tests.rs:60
open_edition_factory	Store__Store	3813089	5696493	e2e/src/helpers/chain.rs:78
minter	Execute__minter_exec_mint_to_token	365552	525204	e2e/src/tests/open_edition_minter_executes_tests.rs:181
minter	Execute__minter_exec_purge	140239	187293	e2e/src/tests/open_edition_minter_executes_tests.rs:282
minter	Execute__minter_exec_update_per_addr_limit	209878	291699	e2e/src/tests/open_edition_minter_executes_tests.rs:217
minter	Execute__minter_exec_update_trading_time	271494	384122	e2e/src/tests/open_edition_minter_executes_tests.rs:100
base_factory	Store__Store	2989591	4461246	e2e/src/helpers/chain.rs:78
base_minter	Store__Store	7166934	10727201	e2e/src/helpers/chain.rs:78
open_edition_minter	Store__Store	8826066	13215894	e2e/src/helpers/chain.rs:78
sg721_base	Store__Store	8525902	12765653	e2e/src/helpers/chain.rs:78
sg721_metadata_onchain	Store__Store	8983749	13452423	e2e/src/helpers/chain.rs:78
sg721_nt	Store__Store	7947246	11897669	e2e/src/helpers/chain.rs:78
sg721_updatable	Store__Store	9332175	13975062	e2e/src/helpers/chain.rs:78
sg_whitelist	Store__Store	3711208	5543672	e2e/src/helpers/chain.rs:78
sg_whitelist_flex	Store__Store	3648262	5449253	e2e/src/helpers/chain.rs:78
vending_minter	Store__Store	9022424	13510436	e2e/src/helpers/chain.rs:78
vending_minter_featured	Store__Store	9105780	13635470	e2e/src/helpers/chain.rs:78
vending_minter_merkle_wl	Store__Store	9270919	13883178	e2e/src/helpers/chain.rs:78
vending_minter_wl_flex	Store__Store	9202084	13779926	e2e/src/helpers/chain.rs:78
vending_minter_wl_flex_featured	Store__Store	9119469	13656003	e2e/src/helpers/chain.rs:78
whitelist_immutable	Store__Store	2271029	3383403	e2e/src/helpers/chain.rs:78
whitelist_mtree	Store__Store	7154909	10709163	e2e/src/helpers/chain.rs:78