ABS-384 : Rename adapter and app apis request fn to execute

[Kayanski]

This PR aims at renaming request endpoints to execute, because request doesn't mean anything in cosmwasm-std

Checklist

• CI is green.
• Changelog updated.

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.9%. Comparing base (21e55ad) to head (f834159).
Report is 101 commits behind head on main.

Additional details and impacted files

Files	Coverage Δ
...ramework/packages/abstract-sdk/src/apis/adapter.rs	93.7% <100.0%> (ø)
framework/packages/abstract-sdk/src/apis/app.rs	95.6% <100.0%> (ø)

... and 22 files with indirect coverage changes

[Buckram123]

LGTM

[Buckram123]

@Kayanski would you mind adding it to the changelog? Path to the changelog: framework/docs/src/releases/v0.md