Quentin 22/12/2023: change mesonh reference version from 5.7.0

src/mesonh/mesonh_version.json

 {
 "refversion":"MNH-V5-6-2-pre57-58715e8",
 "testing": {
-            "007_16janvier/008_run2":"cd4ccdd8",
-            "007_16janvier/008_run2_turb3D":"cd4ccdd8",
-            "007_16janvier/008_run2_lredf":"cd4ccdd8",
-            "COLD_BUBBLE/002_mesonh":"cd4ccdd8",
-            "ARMLES/RUN":"cd4ccdd8",
-            "COLD_BUBBLE_3D/002_mesonh":"cd4ccdd8",
-            "OCEAN_LES/004_run2":"cd4ccdd8",
-            "014_LIMA/002_mesonh":"cd4ccdd8"
+            "007_16janvier/008_run2":"96a431d",
+            "007_16janvier/008_run2_turb3D":"96a431d",
+            "007_16janvier/008_run2_lredf":"96a431d",
+            "COLD_BUBBLE/002_mesonh":"96a431d",
+            "ARMLES/RUN":"96a431d",
+            "COLD_BUBBLE_3D/002_mesonh":"96a431d",
+            "OCEAN_LES/004_run2":"96a431d",
+            "014_LIMA/002_mesonh":"96a431d"
            }
 }