Adopt Blake2_128Concat instead of Blake2_128

See forum post for description: https://forum.duniter.org/t/passer-de-blake2-128-a-blake2-128concat-pour-les-maps/11447

changed milestone to %runtime-600

added C-runtime D-easy P2-asap RN-runtime labels

assigned to @c-geek

created branch 123-adopt-blake2_128concat-instead-of-blake2_128 to address this issue

mentioned in commit c5eb2e70

mentioned in merge request !177 (closed)

mentioned in commit d8f9c760

mentioned in commit 0d4b6295

mentioned in commit 91fd8471

changed milestone to %runtime-700

changed milestone to %runtime-600

created branch 123-adopt-blake2_128concat-instead-of-blake2_128-2 to address this issue

mentioned in merge request !180 (merged)

mentioned in commit aaae08bd

mentioned in commit 74a73b2e

closed with merge request !180 (merged)