build(deps): bump ejs from 2.6.2 to 2.7.4

Bumps [ejs](https://github.com/mde/ejs) from 2.6.2 to 2.7.4.
- [Release notes](https://github.com/mde/ejs/releases)
- [Commits](mde/ejs@v2.6.2...v2.7.4)

---
updated-dependencies:
- dependency-name: ejs
  dependency-version: 2.7.4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package.json

@@ -25,7 +25,7 @@
   "repository": "expressjs/generator",
   "license": "MIT",
   "dependencies": {
-    "ejs": "2.6.2",
+    "ejs": "2.7.4",
     "minimatch": "3.0.4",
     "minimist": "1.2.5",
     "mkdirp": "0.5.1",