feat: improve error handling during schema compilation

[stuebingerb]

Enhances existing error messages by:

• adding more details for some errors:

  Old: "Required arguments cannot be marked as deprecated"
  New: "Required argument 'oldRequired' cannot be marked as deprecated"
  

  Old: "Invalid input values on data: [intss]"
  New: "Invalid input values: [intss], available: [int, string]"
  

• aligning wording of similar errors to reduce potential for confusion
• encapsulating dynamic values in single quotes ' to improve clarity:

  Old: "Property __typename on String does not exist"
  New: "Property '__typename' on 'String' does not exist"
  

• wrapping errors to prefix their current entry point:

  Old: "Context type cannot be part of schema"
  New: "Unable to handle 'query("name")': Context type cannot be part of schema"
  

Resolves #434

[codecov]

Codecov Report

❌ Patch coverage is 84.48276% with 18 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.77%. Comparing base (004f1c8) to head (55a7312).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...ched/schema/structure/StitchedSchemaCompilation.kt	81.57%	2 Missing and 5 partials ⚠️
...ase/kgraphql/schema/structure/SchemaCompilation.kt	86.95%	3 Missing and 3 partials ⚠️
...com/apurebase/kgraphql/schema/dsl/SchemaBuilder.kt	60.00%	1 Missing and 1 partial ⚠️
...se/kgraphql/schema/structure/RequestInterpreter.kt	77.77%	0 Missing and 2 partials ⚠️
...e/kgraphql/schema/execution/ArgumentTransformer.kt	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #445      +/-   ##
==========================================
+ Coverage   82.20%   82.77%   +0.57%     
==========================================
  Files         152      152              
  Lines        4776     4789      +13     
  Branches      849      849              
==========================================
+ Hits         3926     3964      +38     
+ Misses        533      517      -16     
+ Partials      317      308       -9     

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