Adding Develocity input actions (#244)

Adding Develocity input actions. 

If an input is configured in the action, it will generate the environment variable, example:

```yaml
    - name: Setup Gradle
      uses: gradle/actions/setup-gradle@v3
      with:
        develocity-injection-enabled: true
        develocity-url: https://develocity.your-server.com
        develocity-plugin-version: 3.17.4

    - name: Run a Gradle build with Develocity injection enabled from input actions
      run: ./gradlew build
```

This configuration will create the environment variables:
```
DEVELOCITY_INJECTION_ENABLED=true
DEVELOCITY_URL=https://develocity.your-server.com
DEVELOCITY_PLUGIN_VERSION=3.17.4
```

Relation variable-input available:

| Variable | Input |

|--------------------------------------|--------------------------------------|
| DEVELOCITY_INJECTION_ENABLED | develocity-injection-enabled |
| DEVELOCITY_URL | develocity-url |
| DEVELOCITY_ALLOW_UNTRUSTED_SERVER | develocity-allow-untrusted-server
|
| DEVELOCITY_CAPTURE_FILE_FINGERPRINTS |
develocity-capture-file-fingerprints |
| DEVELOCITY_ENFORCE_URL | develocity-enforce-url |
| DEVELOCITY_PLUGIN_VERSION | develocity-plugin-version |
| DEVELOCITY_CCUD_PLUGIN_VERSION | develocity-ccud-plugin-version |
| GRADLE_PLUGIN_REPOSITORY_URL | gradle-plugin-repository-url |
| GRADLE_PLUGIN_REPOSITORY_USERNAME | gradle-plugin-repository-username
|
| GRADLE_PLUGIN_REPOSITORY_PASSWORD | gradle-plugin-repository-password
|

.github/workflows/integ-test-inject-develocity.yml

@@ -159,3 +159,43 @@ jobs:
         run: "[ \"${DEVELOCITY_ACCESS_KEY}\" == \"\" ] || (echo 'DEVELOCITY_ACCESS_KEY has leaked!'; exit 1)"
       - name: Check access key is not blank (GRADLE_ENTERPRISE_ACCESS_KEY)
         run: "[ \"${GRADLE_ENTERPRISE_ACCESS_KEY}\" != \"\" ] || (echo 'GRADLE_ENTERPRISE_ACCESS_KEY is still supported in v3!'; exit 1)"
+
+  inject-develocity-with-access-key-from-input-actions:
+    env:
+      DEVELOCITY_ACCESS_KEY: ${{ secrets.DEVELOCITY_ACCESS_KEY }}
+    strategy:
+      fail-fast: false
+      matrix:
+        gradle: [ current, 7.6.2, 6.9.4, 5.6.4 ]
+        os: ${{fromJSON(inputs.runner-os)}}
+        plugin-version: [ 3.16.2, 3.17.4 ]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v4
+      - name: Initialize integ-test
+        uses: ./.github/actions/init-integ-test
+      - name: Setup Java
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 8
+      - name: Setup Gradle
+        id: setup-gradle
+        uses: ./setup-gradle
+        with:
+          cache-read-only: false # For testing, allow writing cache entries on non-default branches
+          gradle-version: ${{ matrix.gradle }}
+          develocity-injection-enabled: true
+          develocity-url: 'https://ge.solutions-team.gradle.com'
+          develocity-plugin-version: ${{ matrix.plugin-version }}
+      - name: Run Gradle build
+        id: gradle
+        working-directory: .github/workflow-samples/no-ge
+        run: gradle help
+      - name: Check Build Scan url
+        if: ${{ !steps.gradle.outputs.build-scan-url }}
+        uses: actions/github-script@v7
+        with:
+          script: |
+            core.setFailed('No Build Scan detected')