Merge pull request elizaOS#838 from cygaar/bump_0.1.5.3

chore: bump version to 0.1.5-alpha.3

Merge pull request elizaOS#808 from cygaar/lerna_bump

fix: update package version to v0.1.5-alpha.0

Merge pull request elizaOS#781 from ai16z/shaw/update-default-character

feat: Update default character