Bump mysql2 from 0.4.10 to 0.5.0

[dependabot-preview]

Bumps mysql2 from 0.4.10 to 0.5.0.

Release notes

Sourced from mysql2's releases.

0.5.0

Breaking Changes

• Ruby 2.0 or higher required. Ruby 1.8.7 and Ruby 1.9.3 are not supported.
• MySQL 5.5 or higher required. MySQL 5.0 and 5.1 are not supported.

New Features

• Expose mysql_set_server_option to turn multiple statements on and off (#943)
• Accept query options on Statement#execute (#912)
• Support connect attributes and the program_name attribute (#760)
• Make server_status variable available (#755)

Bug Fixes

• Fix wrong value of type YEAR on big endian environment (#921)
• MySQL 8.0.3 Release Candidate removes MYSQL_SECURE_AUTH (#891)
• Suppress Fixnum and Bignum warnings on Ruby 2.4 (#907)

Changes

• Resolve warnings for my_bool vs. bool types (#916, #919)
• Call BigDecimal(num) instead of BigDecimal.new(num) (#925, #928)
• GitHub is HTTPS by default (#922)
• Misc Cleanups (#918)
• More specific exception classes (Bump rails from 5.1.5 to 5.1.6 #260, Bump squasher from 0.6.1 to 0.6.2 #404, #870, 911)
• Update RuboCop to 0.50.x (#752)
• Prefix more C functions with rb_mysql_ (#910)
• Fix compat with RubyInstaller-2.4 on Windows (#875)

Changelog

Sourced from mysql2's changelog.

Changes are maintained under Releases

Commits

• bf227ac Bump version to 0.5.0
• 420dbe6 README note that MariaDB 10.3 and Ruby 2.6 are supported
• eca4d25 Initialize params_enc variable to resolve a warning
• 7879790 Travis CI add MariaDB 10.3
• 1ea606c Travis CI add Ruby 2.6
• a0ca592 Use a local scope to avoid leaking the temporary variable for bind_count
• 620a055 Revert "Layout/IndentHeredoc"
• 7f9569e Bump RuboCop limits for spec file length
• b3fe727 Style nit fix for #943
• 86c352d Merge pull request #919 from sodabrew/typedef_my_bool
• Additional commits viewable in compare view

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