[release/8.x] Bump Swashbuckle.AspNetCore from 7.2.0 to 8.1.1 in /eng/dependabot/independent (#8164)

* [release/8.x] Bump Swashbuckle.AspNetCore in /eng/dependabot/independent

Bumps [Swashbuckle.AspNetCore](https://github.com/domaindrivendev/Swashbuckle.AspNetCore) from 7.2.0 to 8.1.1.
- [Release notes](https://github.com/domaindrivendev/Swashbuckle.AspNetCore/releases)
- [Commits](domaindrivendev/Swashbuckle.AspNetCore@v7.2.0...v8.1.1)

---
updated-dependencies:
- dependency-name: Swashbuckle.AspNetCore
  dependency-version: 8.1.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

* Update OpenAPI baseline

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Justin Anderson <[email protected]>

Author: dependabot[bot]

documentation/openapi.json

@@ -1,5 +1,5 @@
 {
-  "openapi": "3.0.1",
+  "openapi": "3.0.4",
   "info": {
     "title": "dotnet-monitor",
     "version": "1.0"

eng/dependabot/independent/Versions.props

@@ -14,7 +14,7 @@
     <!-- Third-party references -->
     <NewtonsoftJsonVersion>13.0.3</NewtonsoftJsonVersion>
     <NJsonSchemaVersion>11.0.0</NJsonSchemaVersion>
-    <SwashbuckleAspNetCoreVersion>7.2.0</SwashbuckleAspNetCoreVersion>
+    <SwashbuckleAspNetCoreVersion>8.1.1</SwashbuckleAspNetCoreVersion>
     <AwsSdkS3Version>3.7.305.7</AwsSdkS3Version>
     <AwsSdkSecurityTokenVersion>3.7.300.33</AwsSdkSecurityTokenVersion>