Bump code coverage for yamato's sake. (#4906)

DevProject/Packages/manifest.json

     "com.unity.purchasing": "2.1.0",
     "com.unity.test-framework": "1.1.16",
     "com.unity.test-framework.performance": "2.2.0-preview",
-    "com.unity.testtools.codecoverage": "0.2.2-preview",
+    "com.unity.testtools.codecoverage": "1.0.0-pre.3",
     "com.unity.textmeshpro": "2.0.1",
     "com.unity.timeline": "1.2.12",
     "com.unity.ugui": "1.0.0",