docs: fix type syntax in _gutenberg_add_block_template_plugin_attribute()
#115700
| Job | Run time |
|---|---|
| 35m 37s | |
| 35m 37s |
_gutenberg_add_block_template_plugin_attribute()
#115700
| Job | Run time |
|---|---|
| 35m 37s | |
| 35m 37s |