Bump cipher-base from 1.0.4 to 1.0.7 in /example (#578)

Bumps [cipher-base](https://github.com/crypto-browserify/cipher-base) from 1.0.4 to 1.0.7.
- [Changelog](https://github.com/browserify/cipher-base/blob/master/CHANGELOG.md)
- [Commits](browserify/cipher-base@v1.0.4...v1.0.7)

---
updated-dependencies:
- dependency-name: cipher-base
  dependency-version: 1.0.7
  dependency-type: indirect
...

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

Author: dependabot[bot]

example/yarn.lock

@@ -927,12 +927,13 @@ chrome-trace-event@^1.0.2:
   integrity sha512-p3KULyQg4S7NIHixdwbGX+nFHkoBiA4YQmyWtjb8XngSKV124nJmRysgAeujbUVb15vh+RvFUfCPqU7rXk+hZg==
 
 cipher-base@^1.0.0, cipher-base@^1.0.1, cipher-base@^1.0.3:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/cipher-base/-/cipher-base-1.0.4.tgz#8760e4ecc272f4c363532f926d874aae2c1397de"
-  integrity sha512-Kkht5ye6ZGmwv40uUDZztayT2ThLQGfnj/T71N/XzeZeo3nf8foyW7zGTsPYkEya3m5f3cAypH+qe7YOrM1U2Q==
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/cipher-base/-/cipher-base-1.0.7.tgz#bd094bfef42634ccfd9e13b9fc73274997111e39"
+  integrity sha512-Mz9QMT5fJe7bKI7MH31UilT5cEK5EHHRCccw/YRFsRY47AuNgaV6HY3rscp0/I4Q+tTW/5zoqpSeRRI54TkDWA==
   dependencies:
-    inherits "^2.0.1"
-    safe-buffer "^5.0.1"
+    inherits "^2.0.4"
+    safe-buffer "^5.2.1"
+    to-buffer "^1.2.2"
 
 class-utils@^0.3.5:
   version "0.3.6"
@@ -4356,6 +4357,15 @@ to-buffer@^1.2.0:
     safe-buffer "^5.2.1"
     typed-array-buffer "^1.0.3"
 
+to-buffer@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/to-buffer/-/to-buffer-1.2.2.tgz#ffe59ef7522ada0a2d1cb5dfe03bb8abc3cdc133"
+  integrity sha512-db0E3UJjcFhpDhAF4tLo03oli3pwl3dbnzXOUIlRKrp+ldk/VUxzpWYZENsw2SZiuBjHAk7DfB0VU7NKdpb6sw==
+  dependencies:
+    isarray "^2.0.5"
+    safe-buffer "^5.2.1"
+    typed-array-buffer "^1.0.3"
+
 to-object-path@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/to-object-path/-/to-object-path-0.3.0.tgz#297588b7b0e7e0ac08e04e672f85c1f4999e17af"