Update bug bounty reward limit in SECURITY.md #129

Job	Run time
cli	2m 4s
algorand	7m 19s
Aptos	3m 5s
cosmwasm	1m 43s
docker	4s
ethereum	56s
ethereum-upgrade	4m 15s
node	2m 59s
npm-packages	4s
prettier	17s
relayer-ethereum	1m 2s
rust-lint-and-tests (cosmwasm/Cargo.toml)	4m 26s
sdk_vaa	1m 16s
rust-lint-and-tests (terra/Cargo.toml)	4m 5s
solana	14m 23s
rust-lint-and-tests (sdk/rust/Cargo.toml)	2m 48s
spellcheck	9s
Sui	2m 27s
terra-2	9m 53s
terra	7m 5s
wormchain	4m 54s
node-lint	1m 22s
node-tests	22s
tilt	13m 27s
	1h 30m 25s

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