Bump ejs from 2.5.9 to 3.0.2

Bumps [ejs](https://github.com/mde/ejs) from 2.5.9 to 3.0.2.
- [Release notes](https://github.com/mde/ejs/releases)
- [Changelog](https://github.com/mde/ejs/blob/master/CHANGELOG.md)
- [Commits](mde/ejs@v2.5.9...v3.0.2)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

package-lock.json

@@ -23,7 +23,7 @@
   },
   "homepage": "https://github.com/ivarprudnikov/use-python-in-node#readme",
   "dependencies": {
-    "ejs": "~2.5.7",
+    "ejs": "~3.0.2",
     "express": "^4.16.3",
     "ws": "^6.1.0"
   },