[kotlin-wiremock] New generator for generating WireMock stubs using Kotlin (#18705)

* [kotlin] Target correct library in jvm-spring-webclient sample

* [kotlin] Fixed warning in jvm-spring-restclient

* [kotlin-wiremock] added generator and sample

* [kotlin-wiremock] First version with petstore

* [kotlin-wiremock] Small typo

* [kotlin-wiremock] Added echo-api test

* [kotlin-wiremock] Split stub and stub builder

* [kotlin-wiremock] Added default values and jackson annotations to models

* [kotlin-wiremock] Small default value fix

* [kotlin-wiremock] Use Gradle wrapper version in samples-kotlin-server GitHub workflow

* [kotlin-wiremock] Added default artifact name

* [kotlin-wiremock] Added kotlin docs

* [kotlin-wiremock] Fixed capitalization in kotlin docs

* [kotlin-wiremock] Added kotlin-wiremock echo_api sample to GitHub workflow

* [kotlin-wiremock] Added new generator to README.md

* [kotlin-wiremock] Generated docs

* [kotlin-wiremock] Generated docs (missed commit)

* [kotlin-wiremock] Explicit Gradle wrapper version in kotlin server generators

* Revert "[kotlin-wiremock] Explicit Gradle wrapper version in kotlin server generators"

This reverts commit 71e1c47def93fdcb9c7e4efe999fc34e21d7518c.

* [kotlin-wiremock] Revert Gradle in workflow samples-kotlin-server and moved kotlin-wiremock samples to separate workflow

* [kotlin-wiremock] Use Java 11 instead of Java 8

* [kotlin-wiremock] ensure-up-to-date

.github/workflows/samples-kotlin-wiremock.yaml

@@ -0,0 +1,44 @@
+name: Samples Kotlin WireMock
+
+on:
+  push:
+    branches:
+      - samples/server/petstore/kotlin-wiremock/**
+      - samples/server/echo_api/kotlin-wiremock/**
+  pull_request:
+    paths:
+      - samples/server/petstore/kotlin-wiremock/**
+      - samples/server/echo_api/kotlin-wiremock/**
+
+jobs:
+  build:
+    name: Build Kotlin WireMock
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        sample:
+          - samples/server/petstore/kotlin-wiremock
+          - samples/server/echo_api/kotlin-wiremock
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 11
+      - name: Cache maven dependencies
+        uses: actions/cache@v4
+        env:
+          cache-name: maven-repository
+        with:
+          path: |
+            ~/.gradle
+          key: ${{ runner.os }}-${{ github.job }}-${{ env.cache-name }}-${{ hashFiles('**/pom.xml') }}
+      - name: Install Gradle wrapper
+        uses: eskatos/gradle-command-action@v3
+        with:
+          build-root-directory: ${{ matrix.sample }}
+          arguments: wrapper
+      - name: Build
+        working-directory: ${{ matrix.sample }}
+        run: ./gradlew build -x test