chore(deps): bump the kiota-dependencies group across 2 directories with 1 update

Bumps the kiota-dependencies group with 1 update in the / directory: [com.microsoft.kiota:microsoft-kiota-serialization-multipart](https://github.com/microsoft/kiota-java).
Bumps the kiota-dependencies group with 1 update in the /java-8 directory: [com.microsoft.kiota:microsoft-kiota-serialization-multipart](https://github.com/microsoft/kiota-java).


Updates `com.microsoft.kiota:microsoft-kiota-serialization-multipart` from 1.7.0 to 1.8.0
- [Release notes](https://github.com/microsoft/kiota-java/releases)
- [Changelog](https://github.com/microsoft/kiota-java/blob/main/CHANGELOG.md)
- [Commits](microsoft/kiota-java@v1.7.0...v1.8.0)

Updates `com.microsoft.kiota:microsoft-kiota-serialization-multipart` from 1.7.0 to 1.8.0
- [Release notes](https://github.com/microsoft/kiota-java/releases)
- [Changelog](https://github.com/microsoft/kiota-java/blob/main/CHANGELOG.md)
- [Commits](microsoft/kiota-java@v1.7.0...v1.8.0)

---
updated-dependencies:
- dependency-name: com.microsoft.kiota:microsoft-kiota-serialization-multipart
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: kiota-dependencies
- dependency-name: com.microsoft.kiota:microsoft-kiota-serialization-multipart
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: kiota-dependencies
...

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

Author: dependabot[bot]

gradle/dependencies.gradle

@@ -20,5 +20,5 @@ dependencies {
     implementation 'com.microsoft.kiota:microsoft-kiota-serialization-json:1.8.0'
     implementation 'com.microsoft.kiota:microsoft-kiota-serialization-text:1.8.0'
     implementation 'com.microsoft.kiota:microsoft-kiota-serialization-form:1.8.0'
-    implementation 'com.microsoft.kiota:microsoft-kiota-serialization-multipart:1.7.0'
+    implementation 'com.microsoft.kiota:microsoft-kiota-serialization-multipart:1.8.0'
 }