Bump @stencil/core from 1.17.3 to 2.5.2

Bumps [@stencil/core](https://github.com/ionic-team/stencil) from 1.17.3 to 2.5.2.
- [Release notes](https://github.com/ionic-team/stencil/releases)
- [Changelog](https://github.com/ionic-team/stencil/blob/master/CHANGELOG.md)
- [Commits](ionic-team/stencil@v1.17.3...v2.5.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -52,7 +52,7 @@
   ],
   "devDependencies": {
     "@manifoldco/eslint-plugin-stencil": "^0.4.1",
-    "@stencil/core": "^1.13.0",
+    "@stencil/core": "^2.5.2",
     "@stencil/react-output-target": "0.0.9",
     "@types/jest": "^25.2.2",
     "@types/node": "^14.0.1",