fix(rpc): align eth_getLogs response with execution-apis spec

[songgaoye]

Closes: #XXX

Description

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For contributor use:

• 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

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For admin use:

• Added appropriate labels to PR (ex. WIP, R4R, docs, etc)
• Reviewers assigned
• Squashed all commits, uses message "Merge pull request #XYZ: [title]" (coding standards)

[codecov]

Codecov Report

❌ Patch coverage is 77.77778% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 44.84%. Comparing base (0506b9c) to head (686b1e8).

Files with missing lines	Patch %	Lines
rpc/namespaces/ethereum/eth/filters/filters.go	77.77%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #969      +/-   ##
===========================================
+ Coverage    44.74%   44.84%   +0.10%     
===========================================
  Files          197      197              
  Lines        16944    16952       +8     
===========================================
+ Hits          7581     7602      +21     
+ Misses        8555     8538      -17     
- Partials       808      812       +4     

Files with missing lines	Coverage Δ
rpc/namespaces/ethereum/eth/filters/filters.go	41.04% <77.77%> (+10.09%)	⬆️

... and 2 files with indirect coverage changes

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