build(deps): bump base64 from 0.2.0 to 0.3.0

Bumps [base64](https://github.com/ruby/base64) from 0.2.0 to 0.3.0.
- [Release notes](https://github.com/ruby/base64/releases)
- [Commits](ruby/base64@v0.2.0...v0.3.0)

---
updated-dependencies:
- dependency-name: base64
  dependency-version: 0.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Gemfile

@@ -1,7 +1,7 @@
 source 'https://rubygems.org'
 
 # These were previously included in Ruby, but will be removed as of Ruby 3.4
-gem 'base64', '~> 0.2.0'
+gem 'base64', '~> 0.3.0'
 gem 'bigdecimal', '~> 3.3.1'
 
 gem 'jekyll-multiple-languages-plugin',

Gemfile.lock

@@ -17,7 +17,7 @@ GEM
       zeitwerk (~> 2.3)
     addressable (2.8.7)
       public_suffix (>= 2.0.2, < 7.0)
-    base64 (0.2.0)
+    base64 (0.3.0)
     bigdecimal (3.3.1)
     colorator (1.1.0)
     concurrent-ruby (1.3.3)
@@ -100,7 +100,7 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
-  base64 (~> 0.2.0)
+  base64 (~> 0.3.0)
   bigdecimal (~> 3.3.1)
   ffi (< 1.17.0)
   jekyll (~> 3.10)