chore: keyword conf

conf.json

@@ -40,20 +40,12 @@
           "score": 100,
           "matches": [
             {
-              "severity": ["error"],
+              "keywords": ["doubleFree"],
               "score": 5
             },
             {
-              "severity": ["warning"],
-              "score": 2
-            },
-            {
-              "severity": ["portability", "performance", "style"],
-              "score": 1
-            },
-            {
-              "severity": ["debug"],
-              "score": 0
+              "keywords": ["memleak"],
+              "score": 7
             }
           ]
         }

expected.json

@@ -1 +1 @@
-[{"name":"cppcheck","results":[{"score":86,"comment":"### Test results summary\n\n1. error: 2\n2. warning: 0\n3. portability: 0\n4. performance: 0\n5. style: 4\n6. information: 0\n7. debug: 0\n"}],"force_quit":false}]
+[{"name":"cppcheck","results":[{"score":88,"comment":"### Test results summary\n\n1. `memleak`: 1 occurrence(s), -7 point(s)\n2. `doubleFree`: 1 occurrence(s), -5 point(s)\n"}],"force_quit":false}]