Bump swagger-spec-validator from 2.0.2 to 3.0.3

Bumps [swagger-spec-validator](https://github.com/Yelp/swagger_spec_validator) from 2.0.2 to 3.0.3.
- [Changelog](https://github.com/Yelp/swagger_spec_validator/blob/master/CHANGELOG.rst)
- [Commits](Yelp/swagger_spec_validator@v2.0.2...v3.0.3)

---
updated-dependencies:
- dependency-name: swagger-spec-validator
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -1,4 +1,4 @@
-swagger-spec-validator==2.0.2
+swagger-spec-validator==3.0.3
 jsonschema==2.5.1
 requests==2.31.0
 PyYAML==5.2b1