Stringable type for quoter

[chrisminett]

• Add type checks for \Stringable to quoter.
• The PDO default quote method value param has a string type.
• Add a placeholder for dynamic SQL statements to preserve the parentheses quote behaviour.
• Simplify the quote type logic for the expected types.

Must be a major version as it changes the type declarations on the quoter (although there should be no impact on any standard expected usage of the package).

[codecov]

Codecov Report

Attention: Patch coverage is 95.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 98.53%. Comparing base (7ed407e) to head (bcb9e78).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/Adapter/QuoteHandler.php	94.73%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main      #16      +/-   ##
============================================
+ Coverage     97.66%   98.53%   +0.86%     
+ Complexity      128      126       -2     
============================================
  Files             9        9              
  Lines           343      341       -2     
============================================
+ Hits            335      336       +1     
+ Misses            8        5       -3     

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