v9.0.0 (defaults to FB Graph API 5.0)

What's Changed

• Replace Travis CI with GitHub Actions by @olleolleolle in #350
• addds ruby 3 to CI matrix by @swiknaba in #352
• Gemfile: Simplify away Ruby 2.2 workaround by @olleolleolle in #354
• Change secure_image_url default from false to true by @swiknaba in #346
• Bump Facebook Graph API to v5.0 by @mstr03 in #366

New Contributors

• @swiknaba made their first contribution in #352
• @mstr03 made their first contribution in #366

Full Changelog: v8.0.0...v9.0.0