v0.4.3

LazIO v0.4.3

Diff since v0.4.2

Merged pull requests:

• Add scan angle back. Add indexing methods to dataset. (#33) (@evetion)
• Bump actions/checkout from 2 to 3 (#34) (@dependabot[bot])
• Bump actions/cache from 1 to 3 (#35) (@dependabot[bot])
• Bump actions/checkout from 3 to 4 (#36) (@dependabot[bot])