Bump yaml from 2.8.2 to 2.8.3

Bumps [yaml](https://github.com/eemeli/yaml) from 2.8.2 to 2.8.3.
- [Release notes](https://github.com/eemeli/yaml/releases)
- [Commits](https://github.com/eemeli/yaml/compare/v2.8.2...v2.8.3)

---
updated-dependencies:
- dependency-name: yaml
  dependency-version: 2.8.3
  dependency-type: direct:production
...

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

plugins/importer-insomnia/package.json

@@ -10,6 +10,6 @@
     "test": "vp test --run tests"
   },
   "dependencies": {
-    "yaml": "^2.4.2"
+    "yaml": "^2.8.3"
   }
 }

plugins/importer-openapi/package.json

@@ -11,7 +11,7 @@
   },
   "dependencies": {
     "openapi-to-postmanv2": "^5.8.0",
-    "yaml": "^2.4.2"
+    "yaml": "^2.8.3"
   },
   "devDependencies": {
     "@types/openapi-to-postmanv2": "^5.0.0"