chore(deps): bump content-type and @types/content-type

Bumps [content-type](https://github.com/jshttp/content-type) and [@types/content-type](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/content-type). These dependencies needed to be updated together.

Updates `content-type` from 1.0.5 to 2.0.0
- [Release notes](https://github.com/jshttp/content-type/releases)
- [Changelog](https://github.com/jshttp/content-type/blob/master/HISTORY.md)
- [Commits](jshttp/content-type@v1.0.5...v2.0.0)

Updates `@types/content-type` from 1.1.9 to 2.0.0
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/content-type)

---
updated-dependencies:
- dependency-name: content-type
  dependency-version: 2.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: "@types/content-type"
  dependency-version: 2.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

packages/openapi-generator/package.json

@@ -44,7 +44,7 @@
     "@sap-cloud-sdk/generator-common": "workspace:^",
     "@sap-cloud-sdk/openapi": "workspace:^",
     "@sap-cloud-sdk/util": "workspace:^",
-    "content-type": "^1.0.5",
+    "content-type": "^2.0.0",
     "js-yaml": "^4.1.1",
     "openapi-types": "^12.1.3",
     "swagger2openapi": "^7.0.4"
@@ -53,7 +53,7 @@
     "@apidevtools/json-schema-ref-parser": "^14.1.1",
     "@jest/globals": "^30.3.0",
     "@sap-cloud-sdk/test-util-internal": "workspace:^",
-    "@types/content-type": "^1.1.9",
+    "@types/content-type": "^2.0.0",
     "@types/js-yaml": "^4.0.9",
     "depcheck": "^1.4.7",
     "memfs": "^4.57.2",