Update rollup requirement from ^2.68.0 to ^2.74.0 (#169)

Updates the requirements on [rollup](https://github.com/rollup/rollup) to permit the latest version.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v2.68.0...v2.74.0)

---
updated-dependencies:
- dependency-name: rollup
  dependency-type: direct:development
...

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

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

package.json

@@ -18,7 +18,7 @@
         "fs-extra": "^10.1.0",
         "get-value": "^3.0.1",
         "md5": "^2.3.0",
-        "rollup": "^2.73.0",
+        "rollup": "^2.74.0",
         "rollup-plugin-filesize": "^9.1.2",
         "rollup-plugin-output-manifest": "^2.0.0",
         "rollup-plugin-terser": "^7.0.2",