feat: add weight validation in create_http_request_matcher factory

Validates weight >= 1 after interpolation/casting in the factory,
catching invalid weights from manifest config before they reach
the HttpRequestRegexMatcher constructor.

Co-Authored-By: Daryna Ishchenko <darina.ishchenko17@gmail.com>

Author: devin-ai-integration[bot]

airbyte_cdk/sources/declarative/parsers/model_to_component_factory.py

@@ -4393,6 +4393,8 @@ def create_http_request_matcher(
                 weight = int(InterpolatedString.create(weight, parameters={}).eval(config))
             else:
                 weight = int(weight)
+            if weight < 1:
+                raise ValueError(f"weight must be >= 1, got {weight}")
         return HttpRequestRegexMatcher(
             method=model.method,
             url_base=model.url_base,