fix validation_result type in api docs and type hint (#1869)

Author: akios-ai

docs/api-docs/api-docs.yml

@@ -551,8 +551,8 @@ components:
           type: string
           description: "The context word which helped increase the score"
         validation_result:
-          type: number
-          format: double
+          type: boolean
+          nullable: true
           description: "Result of a validation (e.g. checksum)"
 
     Pattern:

presidio-analyzer/presidio_analyzer/analysis_explanation.py

@@ -21,7 +21,7 @@ def __init__(
         original_score: float,
         pattern_name: str = None,
         pattern: str = None,
-        validation_result: float = None,
+        validation_result: bool = None,
         textual_explanation: str = None,
         regex_flags: int = None,
     ):