v4.13.0

Changes

Database Driver

• Update underlying spanner DB driver to fix spannersql parsing issues thanks to @wyardley (#427)
• Add support for SQLCipher thanks to @klingtnet (#436)
• Add option to not lock when running migrations (useful for multi-master/cluster setups) in the MySQL DB driver fixing #215 thanks to @antonklava (#439)
• Add support for locks in MongoDB fixing #435 thanks to @andyNewman42 (#448)

Builds

• Support Go 1.15 and drop support for Go 1.13
• Update to golangci-lint v1.30.0

Docs

• Clarify how params are set in spanner db driver docs thanks to @wyardley (#428)
• Rename Github to GitHub thanks to @dhermes (#429)
• Fix spelling mistake in FAQ thanks to @markokoleznik-cs (#447)