[Update]: Bump ktorVersion from 1.6.5 to 1.6.6

Bumps `ktorVersion` from 1.6.5 to 1.6.6.

Updates `ktor-server-netty` from 1.6.5 to 1.6.6
- [Release notes](https://github.com/ktorio/ktor/releases)
- [Changelog](https://github.com/ktorio/ktor/blob/main/CHANGELOG.md)
- [Commits](https://github.com/ktorio/ktor/commits)

Updates `ktor-server-core` from 1.6.5 to 1.6.6
- [Release notes](https://github.com/ktorio/ktor/releases)
- [Changelog](https://github.com/ktorio/ktor/blob/main/CHANGELOG.md)
- [Commits](https://github.com/ktorio/ktor/commits)

Updates `ktor-auth` from 1.6.5 to 1.6.6
- [Release notes](https://github.com/ktorio/ktor/releases)
- [Changelog](https://github.com/ktorio/ktor/blob/main/CHANGELOG.md)
- [Commits](https://github.com/ktorio/ktor/commits)

Updates `ktor-auth-jwt` from 1.6.5 to 1.6.6
- [Release notes](https://github.com/ktorio/ktor/releases)
- [Changelog](https://github.com/ktorio/ktor/blob/main/CHANGELOG.md)
- [Commits](https://github.com/ktorio/ktor/commits)

Updates `ktor-serialization` from 1.6.5 to 1.6.6
- [Release notes](https://github.com/ktorio/ktor/releases)
- [Changelog](https://github.com/ktorio/ktor/blob/main/CHANGELOG.md)
- [Commits](https://github.com/ktorio/ktor/commits)

---
updated-dependencies:
- dependency-name: io.ktor:ktor-server-netty
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: io.ktor:ktor-server-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: io.ktor:ktor-auth
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: io.ktor:ktor-auth-jwt
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: io.ktor:ktor-serialization
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

dependencies.gradle

@@ -1,7 +1,7 @@
 ext {
     // Kotlin
     kotlinVersion = '1.5.31'
-    ktorVersion = '1.6.5'
+    ktorVersion = '1.6.6'
 
     // Coroutines
     coroutinesVersion = "1.5.2"