build(crypto-js): Pin yarg-parser to 21.0.1 to prevent upgrade bug

[gnunicorn]

We are effected by yargs/yargs-parser#452
through the transient dependency of jest on yargs

[codecov]

Codecov Report

Merging #914 (3252938) into main (2430d7f) will increase coverage by 0.00%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #914   +/-   ##
=======================================
  Coverage   79.82%   79.83%           
=======================================
  Files         107      107           
  Lines       15061    15068    +7     
=======================================
+ Hits        12023    12030    +7     
  Misses       3038     3038           

Impacted Files	Coverage Δ
...trix-sdk-crypto/src/olm/group_sessions/outbound.rs	89.36% <0.00%> (-0.06%)	⬇️
crates/matrix-sdk-crypto/src/machine.rs	80.68% <0.00%> (ø)
crates/matrix-sdk-crypto/src/olm/session.rs	100.00% <0.00%> (ø)
...x-sdk-crypto/src/session_manager/group_sessions.rs	88.15% <0.00%> (+0.03%)	⬆️
crates/matrix-sdk-crypto/src/olm/account.rs	81.31% <0.00%> (+0.04%)	⬆️
crates/matrix-sdk-crypto/src/gossiping/machine.rs	78.83% <0.00%> (+0.06%)	⬆️
crates/matrix-sdk-crypto/src/identities/device.rs	76.36% <0.00%> (+0.10%)	⬆️
...tes/matrix-sdk-crypto/src/types/events/room_key.rs	76.74% <0.00%> (+1.13%)	⬆️
.../matrix-sdk-crypto/src/types/events/secret_send.rs	83.33% <0.00%> (+2.08%)	⬆️

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