fix(pkg): set more RPC context timeout

[davidtaikocha]

No description provided.

[codecov]

Codecov Report

Merging #356 (0105085) into main (4ac1a1e) will decrease coverage by 0.15%.
The diff coverage is 63.52%.

@@            Coverage Diff             @@
##             main     #356      +/-   ##
==========================================
- Coverage   52.34%   52.19%   -0.15%     
==========================================
  Files          36       36              
  Lines        4455     4508      +53     
==========================================
+ Hits         2332     2353      +21     
- Misses       1860     1892      +32     
  Partials      263      263              

Files Changed	Coverage Δ
pkg/rpc/ethclient.go	30.62% <30.00%> (-3.31%)	⬇️
pkg/rpc/utils.go	43.80% <58.53%> (+6.68%)	⬆️
pkg/rpc/methods.go	35.92% <70.17%> (+2.49%)	⬆️
pkg/rpc/client.go	50.47% <87.50%> (+2.43%)	⬆️
pkg/rpc/dial.go	59.72% <92.30%> (+5.75%)	⬆️
...ver/anchor_tx_constructor/anchor_tx_constructor.go	63.01% <100.00%> (+1.04%)	⬆️

... and 1 file with indirect coverage changes

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