chore(deps-dev): bump @vitest/coverage-istanbul from 0.27.3 to 0.28.3 (#4073)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
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Author: dependabot[bot]

packages/cspell-gitignore/package.json

@@ -55,7 +55,7 @@
   "devDependencies": {
     "@types/node": "^18.11.18",
     "@vitest/coverage-c8": "^0.28.3",
-    "@vitest/coverage-istanbul": "^0.27.3",
+    "@vitest/coverage-istanbul": "^0.28.3",
     "vite": "^4.0.4",
     "vitest": "^0.28.3"
   }