encryption: bound the Argon2id cost parameters before they are honoured #681

Job	Run time
nostd/thumbv6m-none-eabi/stable	27s
wasm-simd/parity-node	52s
native-backend/stable	7m 57s
clippy/1.95.0	50s
hpc-stream-parallel/rayon	1m 53s
format/stable	22s
neon-simd/parity-qemu	1m 2s
tier4-avx512-check	31s
Pass MSRV values to other jobs	4s
miri	0s
cross_test/${{ matrix.target }}/${{ matrix.rust }}	0s
cargo-careful	0s
nightly-simd-polyfill	0s
docs/nightly	0s
blas-msrv	1m 10s
tests/1.95.0	11m 18s
tests/beta	11m 57s
tests/stable	11m 34s
conclusion	0s
	49m 57s

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