Add base64 dependency to gem spec

[schneems]

Eliminates deprecation warning for Ruby 3.4

Close #106

[schneems]

$ bundle exec rake test
/Users/rschneeman/.rubies/ruby-3.3.1/bin/ruby -w -I"lib" -I test /Users/rschneeman/.gem/ruby/3.3.1/gems/rake-13.2.1/lib/rake/rake_test_loader.rb "test/cli_test.rb" "test/client_generator_test.rb" "test/client_test.rb" "test/command_test.rb" "test/configuration_test.rb" "test/heroics_test.rb" "test/link_test.rb" "test/naming_test.rb" "test/resource_test.rb" "test/schema_test.rb" "test/version_test.rb"
Run options: --seed 65519

# Running tests:

............./Users/rschneeman/.gem/ruby/3.3.1/gems/moneta-1.6.0/lib/moneta/transformer.rb:363: warning: too many arguments for format string
....................................................................................................

Finished tests in 0.019784s, 5711.6862 tests/s, 14658.3097 assertions/s.

113 tests, 290 assertions, 0 failures, 0 errors, 0 skips
⛄️ 3.3.1 🚀 /Users/rschneeman/Documents/projects/heroics (schneems/all_ur_base64)
$ git log
commit 6c44f7a9eec4df455452caa06477bfa06d2e8cad (HEAD -> schneems/all_ur_base64, origin/schneems/all_ur_base64)
Author: Schneems <richard.schneeman+foo@gmail.com>
Date:   Thu Jun 20 16:50:38 2024 -0500

    Add base64 dependency to gem spec

    Eliminates deprecation warning for Ruby 3.4

    Close #106

[schneems]

Updated to add changelog and rev the version:

$ git rev-parse --short HEAD
aa92ad0
⛄️ 3.3.1 🚀 /Users/rschneeman/Documents/projects/heroics (schneems/all_ur_base64)
$ bundle exec rake test
/Users/rschneeman/.rubies/ruby-3.3.1/bin/ruby -w -I"lib" -I test /Users/rschneeman/.gem/ruby/3.3.1/gems/rake-13.2.1/lib/rake/rake_test_loader.rb "test/cli_test.rb" "test/client_generator_test.rb" "test/client_test.rb" "test/command_test.rb" "test/configuration_test.rb" "test/heroics_test.rb" "test/link_test.rb" "test/naming_test.rb" "test/resource_test.rb" "test/schema_test.rb" "test/version_test.rb"
Run options: --seed 63690

# Running tests:

............/Users/rschneeman/.gem/ruby/3.3.1/gems/moneta-1.6.0/lib/moneta/transformer.rb:363: warning: too many arguments for format string
.....................................................................................................

Finished tests in 0.019522s, 5788.3414 tests/s, 14855.0353 assertions/s.

113 tests, 290 assertions, 0 failures, 0 errors, 0 skips

[edmorley]

Thank you! :-)