Bump base64 from 0.2.0 to 0.3.0 (#89)

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

Author: dependabot[bot]

Gemfile.lock

@@ -12,7 +12,7 @@ GEM
       io-event (~> 1.9)
       metrics (~> 0.12)
       traces (~> 0.15)
-    base64 (0.2.0)
+    base64 (0.3.0)
     bigdecimal (3.1.9)
     code-scanning-rubocop (0.6.1)
       rubocop (~> 1.0)