Add @types/istanbul-lib-report to dependencies

Fixes the following compilation error:
Module '"istanbul-lib-report"' has no exported member 'ReportBase'

Author: ctumolosus

package-lock.json

@@ -35,6 +35,7 @@
   "devDependencies": {
     "@types/faker": "^4.1.9",
     "@types/invariant": "^2.2.31",
+    "@types/istanbul-lib-report": "^3.0.0",
     "@types/jest": "^27.0.2",
     "@types/lodash": "^4.14.149",
     "@types/node": "^10.14.19",