Typos fix

[petryshkaCODE]

Fix: Corrected typos in source files

Changes

Corrected typo in /CHANGELOG.md (Line 356)

"dependecies" → "dependencies"

Corrected typo in /docs/CODE_OF_CONDUCT.md (Line 9)

"socio-economic" → "socioeconomic"

Corrected typo in /pallets/asset-registry/README.md (Line 17)

"additioanl" → "additional"

Purpose

Improved code accuracy and professionalism by fixing typos.