chore(deps): update dependency babel-plugin-istanbul to v8

Author: renovate[bot]

package.json

@@ -81,7 +81,7 @@
     "@babel/register": "7.28.6",
     "aws-sdk": "2.1125.0",
     "babel-loader": "8.4.1",
-    "babel-plugin-istanbul": "5.2.0",
+    "babel-plugin-istanbul": "8.0.0",
     "babel-plugin-source-map-support": "2.2.0",
     "chai": "4.5.0",
     "commitizen": "3.1.2",