Adds `Hyperf\Collection\Collection` support (#173)
* ⚙️chore(tests) add strict_types declaration and update file header
* ⚙️chore(dependencies) add hyperf/collection to composer.json
* ⚙️ chore(tinker) add suggestion for hyperf/utils in composer.json file
* 🛠️refactor(tinker) update Collection import and casting function signature
* ⚙️chore(dependencies) add hyperf/view-engine to composer.json
* ⚙️chore(dependencies) suggest for using hyperf/view-engine
* 🛠️refactor(tinker) change defaultCasters to string keys