Upgrade: Bump js-base64 from 3.7.3 to 3.7.4

Bumps [js-base64](https://github.com/dankogai/js-base64) from 3.7.3 to 3.7.4.
- [Release notes](https://github.com/dankogai/js-base64/releases)
- [Commits](dankogai/js-base64@3.7.3...3.7.4)

---
updated-dependencies:
- dependency-name: js-base64
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

package.json

@@ -37,7 +37,7 @@
     "el-transition": "^0.0.7",
     "hint.css": "^2.7.0",
     "humps": "^2.0.1",
-    "js-base64": "^3.7.3",
+    "js-base64": "^3.7.4",
     "lodash": "^4.17.21",
     "mini-css-extract-plugin": "^2.6.1",
     "notyf": "^3.10.0",