Bump broccoli-babel-transpiler from 7.8.1 to 8.0.2 (#2721)

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

Author: dependabot[bot]

package.json

@@ -73,7 +73,7 @@
     "backburner.js": "^2.8.0",
     "basiccontext": "^3.5.1",
     "broccoli-asset-rev": "^3.0.0",
-    "broccoli-babel-transpiler": "^7.8.1",
+    "broccoli-babel-transpiler": "^8.0.2",
     "broccoli-concat": "^4.2.5",
     "broccoli-file-creator": "^2.1.1",
     "broccoli-funnel": "^3.0.8",