build: bump up ostracon to optimize checking the txs size

[wetcod]

Description

apply Finschia/ostracon#264 Finschia/ostracon#265

closes: #XXXX

---

Before we can merge this PR, please make sure that all the following items have been
checked off. If any of the checklist items are not applicable, please leave them but
write a little note why.

• Targeted PR against correct branch (see CONTRIBUTING.md)
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• Code follows the module structure standards.
• Wrote unit and integration tests
• Updated relevant documentation (docs/) or specification (x/<module>/spec/)
• Added relevant godoc comments.
• Added a relevant changelog entry to the Unreleased section in CHANGELOG.md
• Re-reviewed Files changed in the Github PR explorer
• Review Codecov Report in the comment section below once CI passes

[codecov]

Codecov Report

Merging #228 (9a919aa) into v2/develop (95b22d3) will decrease coverage by 0.00%.
The diff coverage is n/a.

@@              Coverage Diff               @@
##           v2/develop     #228      +/-   ##
==============================================
- Coverage       53.50%   53.49%   -0.01%     
==============================================
  Files             652      652              
  Lines           47390    47390              
==============================================
- Hits            25357    25353       -4     
- Misses          19173    19175       +2     
- Partials         2860     2862       +2     

Impacted Files	Coverage Δ
types/address.go	65.34% <0.00%> (-1.45%)	⬇️