Bumps [github.com/alecthomas/kingpin](https://github.com/alecthomas/kingpin) from
v2.2.6 to v2.3.2.
This also changes the upstream package name from
gopkg.in/alecthomas/kingpin.v2 to github.com/alecthomas/kingpin/v2 which
is required by the upstream exporter-toolkit package.
Signed-off-by: Ben Reedy <breed808@breed808.com>
OLE objects must be manually cleared or released to prevent leaks.
Note that these objects do not appear in the heap, so the pprof heap
profiles aren't helpful in identifying OLE leaks.
Resident memory continues to increase if objects are not properly cleared.
Signed-off-by: Ben Reedy <breed808@breed808.com>
