chore: Replace string interpolation and dynamic property php8.2 deprecation

[anderson-comvex]

What is the purpose of this pull request? (put an "X" next to item)

[ ] Documentation update
[ ] Bug fix
[ ] New feature
[X] Other, please explain:

Chore to remove the PHP8.2 Deprecation Warnings.

What changes did you make? (Give an overview)

• Replaced ${variable} {$variable}-
• Explicitly declared the private variables that were being dynamically declared/

Which issue (if any) does this pull request address?

No Opened Issues

Is there anything you'd like reviewers to focus on?

Not Specifically

[acgfbr]

looks good to me, please merge ✅

[vedmant]

Still open, I made a duplicate PR for this #188 any plans to merge this and make a release?

@anderson-comvex Btw, some properties have to be protected, private properties show errors:

Cannot access private property Codedungeon\PHPUnitPrettyResultPrinter\Printer::$anyBarEnabled
error Command failed with exit code 2.

[anderson-comvex]

@vedmant I fixed your comment.

@mikeerickson

[anderson-comvex]

This PR is generating clutter to me as it is not getting merged anytime soons, so i will close it, but feel free to pick the code to apply later if needed.