[enh] write DUBP v12

- rename DUP -> DUBP
- Indicates the possibility of invalid signatures in v10 and v11
- Remove rule BR_G106
- Update rule BR_G102: Obtaining the REF_BLOCK by number only (removal of the constraint on hash)
- Update transactions local validation: addition of a minimal amount on outputs
- Update of the expected version for each document
- Adding local and global validations in the outline