Update requirements.txt to GrimoireLab 0.4.0

This file wasn't update to the requirements
needed to run 0.4.0 version.

Signed-off-by: Santiago Dueñas <sduenas@bitergia.com>

requirements.txt

@@ -1,15 +1,15 @@
-grimoirelab==0.3.0
+grimoirelab==0.4.0
 grimoirelab-toolkit==0.3.0
-perceval==0.18.0
-perceval-mozilla==0.3.0
-perceval-opnfv==0.2.0
-perceval-puppet==0.2.0
-perceval-weblate==0.2.0
-kingarthur==0.2.0
-grimoire-elk==0.101.1
+perceval==0.19.1
+perceval-mozilla==0.3.1
+perceval-opnfv==0.2.1
+perceval-puppet==0.2.1
+perceval-weblate==0.2.1
+kingarthur==0.2.1
+grimoire-elk==0.102.0
 sortinghat==0.7.20
 kidash==0.5.0
 grimoirelab-panels==0.1.0
-sirmordred==0.3.0
-cereslib==0.3.0
-graal==0.3.0
+sirmordred==0.3.1
+cereslib==0.3.1
+graal==0.3.1