play 2.1.2

Closes #21033.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
PDAL: add head

Closes #21038.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
ioke: install ispec and dokgen

Closes #21035.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>