Upgrade to latest semver-compatible versions
Upgrade to latest semver-compatible versions

Upgrades all packages to the latest semver-compatible versions as
specified in `package.json`.

Will address major version upgrades in separate PRs.

jwang1919/popcode,jwang1919/popcode,popcodeorg/popcode,outoftime/learnpad,popcodeorg/popcode,popcodeorg/popcode,jwang1919/popcode,jwang1919/popcode,popcodeorg/popcode,outoftime/learnpad