Update to the latest forge, mappings and mantle version.
@@ -10,13 +10,13 @@ minecraft_version=1.15.2
minecraft_version_toml=15
# Forge Version Information
-forge_version=31.1.17
+forge_version=31.1.25
forge_version_toml=31
# Mappings Information
-mappings_version=20200225-1.15.1
+mappings_version=20200318-1.15.1
-mantle_version=1.5.4
+mantle_version=1.5.7
jei_version=6.0.0.2
