Log Message:
Update to 1.1.1

Upstream changes:
DBI 1.1.1 (2021-01-04)
Documentation

    Expand "Get started" vignette to two tutorials, basic and advanced \ 
(#332, @jawond).

Bug fixes

    dbAppendTable() now allows columns named sep (#336).
    dbAppendTable() shows a better error message if the input has zero columns \ 
(#313).
    sqlInterpolate() now correctly interprets consecutive comments (#329, @rnorberg).
    dbQuoteLiteral() works for difftime objects (#325).
    dbQuoteLiteral() quotes dates as YYYY-MM-DD without time zone (#331).

Internal

    Switch to GitHub Actions (#326).
    Update URL in DESCRIPTION.