Update checksum

Author: RemiLehe

Regression/Checksum/benchmarks_json/test_2d_background_mcc.json

@@ -1,22 +1,22 @@
 {
   "lev=0": {
-    "rho_electrons": 0.03558889420026204,
-    "rho_he_ions": 0.041762340951146074
+    "rho_electrons": 0.03558889420351498,
+    "rho_he_ions": 0.04176234095095327
   },
   "he_ions": {
-    "particle_momentum_x": 2.8840921556995102e-18,
-    "particle_momentum_y": 2.1957048736351022e-18,
-    "particle_momentum_z": 2.198216674541737e-18,
-    "particle_position_x": 17607.425457505866,
-    "particle_position_y": 1100.0247860590894,
+    "particle_momentum_x": 2.8840921570976e-18,
+    "particle_momentum_y": 2.195704873634808e-18,
+    "particle_momentum_z": 2.1982166745272215e-18,
+    "particle_position_x": 17607.425457559715,
+    "particle_position_y": 1100.024786059876,
     "particle_weight": 71976747650.1465
   },
   "electrons": {
-    "particle_momentum_x": 1.0105526130672624e-18,
-    "particle_momentum_y": 2.8197429889743996e-19,
-    "particle_momentum_z": 2.8091808266114265e-19,
-    "particle_position_x": 17136.01865030665,
-    "particle_position_y": 936.3651769884851,
+    "particle_momentum_x": 1.010552606677337e-18,
+    "particle_momentum_y": 2.81974298750407e-19,
+    "particle_momentum_z": 2.8091808348750305e-19,
+    "particle_position_x": 17136.0186559433,
+    "particle_position_y": 936.3651746710019,
     "particle_weight": 61113170379.63868
   }
-}
+}