Bump js-base64 from 2.4.5 to 2.4.9

Bumps [js-base64](https://github.com/dankogai/js-base64) from 2.4.5 to 2.4.9.
- [Release notes](https://github.com/dankogai/js-base64/releases)
- [Commits](dankogai/js-base64@2.4.5...2.4.9)

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

package.json

@@ -79,7 +79,7 @@
     "helmet": "^3.12.1",
     "i18n-iso-countries": "^3.6.2",
     "jquery": "~3.3.1",
-    "js-base64": "^2.4.5",
+    "js-base64": "^2.4.9",
     "js-cookie": "~2.2.0",
     "linkifyjs": "^2.1.7",
     "lodash": "~4.17.11",

yarn.lock

@@ -5738,9 +5738,9 @@ jquery@^3.3.1, jquery@~3.3.1:
   version "3.3.1"
   resolved "https://registry.yarnpkg.com/jquery/-/jquery-3.3.1.tgz#958ce29e81c9790f31be7792df5d4d95fc57fbca"
 
-js-base64@^2.1.8, js-base64@^2.1.9, js-base64@^2.4.5:
-  version "2.4.5"
-  resolved "https://registry.yarnpkg.com/js-base64/-/js-base64-2.4.5.tgz#e293cd3c7c82f070d700fc7a1ca0a2e69f101f92"
+js-base64@^2.1.8, js-base64@^2.1.9, js-base64@^2.4.9:
+  version "2.4.9"
+  resolved "https://registry.yarnpkg.com/js-base64/-/js-base64-2.4.9.tgz#748911fb04f48a60c4771b375cac45a80df11c03"
 
 js-cookie@~2.2.0:
   version "2.2.0"