Starting in GP Premium 2.0, you can create a post meta template in the Block Element module with the help of Dynamic Blocks and Dynamic Data.
You can access it by creating a new block element, then select post meta template under the Element type dropdown menu:

Settings
Templates
Import a template.
Location
Choose the location to display this post meta.
Replace default primary post meta
Replace the default header entry meta with the template created.
Replace default secondary post meta
Replace the default footer entry meta with the template created.
GenerateBlocks Container Settings
Inline post meta items
Inline the items inside this container. This is useful when adding dynamic data items such as author, post date, categories etc.

Inline alignment
Set the alignment of the inline post meta items.