Set Max Message Size Tightly

[patrick-ogrady]

Related: #4716

[cloudflare-workers-and-pages]

Deploying alto with    Cloudflare Pages

Latest commit:	a3c67fe
Status:	✅  Deploy successful!
Preview URL:	https://d74924b9.alto-8k4.pages.dev
Branch Preview URL:	https://max-message.alto-8k4.pages.dev

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[codecov-commenter]

Codecov Report

❌ Patch coverage is 94.02985% with 20 lines in your changes missing coverage. Please review.
✅ Project coverage is 79.60%. Comparing base (1d87569) to head (a3c67fe).

Files with missing lines	Patch %	Lines
chain/src/indexer/mod.rs	0.00%	8 Missing ⚠️
validator/src/main.rs	90.54%	7 Missing ⚠️
client/src/lib.rs	93.61%	3 Missing ⚠️
follower/src/archive.rs	66.66%	1 Missing ⚠️
indexer/src/lib.rs	99.20%	1 Missing ⚠️

@@            Coverage Diff             @@
##             main     #206      +/-   ##
==========================================
+ Coverage   78.95%   79.60%   +0.65%     
==========================================
  Files          31       31              
  Lines        7013     7242     +229     
==========================================
+ Hits         5537     5765     +228     
- Misses       1476     1477       +1     

Files with missing lines	Coverage Δ
chain/src/engine.rs	98.95% <100.00%> (ø)
chain/src/indexer/backfiller/consumer.rs	88.23% <100.00%> (ø)
chain/src/indexer/backfiller/producer.rs	92.15% <100.00%> (ø)
chain/src/indexer/backfiller/state.rs	100.00% <100.00%> (ø)
chain/src/indexer/mocks.rs	96.47% <100.00%> (ø)
chain/src/indexer/pusher.rs	96.36% <100.00%> (-0.16%)	⬇️
client/src/consensus.rs	86.85% <100.00%> (+4.30%)	⬆️
follower/src/engine.rs	97.34% <100.00%> (ø)
follower/src/resolver.rs	91.72% <100.00%> (ø)
indexer/src/main.rs	45.45% <ø> (ø)
... and 7 more

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