Fix broken 3.2.2

What's Changed

• Bump guzzlehttp/guzzle from 7.4.3 to 7.4.5 by @dependabot in #326
• No unused imports by @MathiasReker in #332
• No superfluous elseif by @MathiasReker in #331
• Single blank line at eof by @MathiasReker in #330
• Visibility required by @MathiasReker in #329
• Nullable type declaration for default null value by @MathiasReker in #328
• CHANGELOG: Fix typo “Breacking” by @alexislefebvre in #333

New Contributors

• @dependabot made their first contribution in #326
• @MathiasReker made their first contribution in #332
• @alexislefebvre made their first contribution in #333

Full Changelog: 3.2.1...3.2.3