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
|

sources/src/configuration.ts

@@ -216,6 +216,46 @@ export class BuildScanConfig {
         return core.getInput('develocity-token-expiry')
     }
 
+    getDevelocityInjectionEnabled(): boolean | undefined {
+        return getMaybeBooleanInput('develocity-injection-enabled')
+    }
+
+    getDevelocityUrl(): string {
+        return core.getInput('develocity-url')
+    }
+
+    getDevelocityAllowUntrustedServer(): boolean | undefined {
+        return getMaybeBooleanInput('develocity-allow-untrusted-server')
+    }
+
+    getDevelocityCaptureFileFingerprints(): boolean | undefined {
+        return getMaybeBooleanInput('develocity-capture-file-fingerprints')
+    }
+
+    getDevelocityEnforceUrl(): boolean | undefined {
+        return getMaybeBooleanInput('develocity-enforce-url')
+    }
+
+    getDevelocityPluginVersion(): string {
+        return core.getInput('develocity-plugin-version')
+    }
+
+    getDevelocityCcudPluginVersion(): string {
+        return core.getInput('develocity-ccud-plugin-version')
+    }
+
+    getGradlePluginRepositoryUrl(): string {
+        return core.getInput('gradle-plugin-repository-url')
+    }
+
+    getGradlePluginRepositoryUsername(): string {
+        return core.getInput('gradle-plugin-repository-username')
+    }
+
+    getGradlePluginRepositoryPassword(): string {
+        return core.getInput('gradle-plugin-repository-password')
+    }
+
     private verifyTermsOfUseAgreement(): boolean {
         if (
             (this.getBuildScanTermsOfUseUrl() !== 'https://gradle.com/terms-of-service' &&
@@ -329,3 +369,15 @@ function getBooleanInput(paramName: string, paramDefault = false): boolean {
     }
     throw TypeError(`The value '${paramValue} is not valid for '${paramName}. Valid values are: [true, false]`)
 }
+
+function getMaybeBooleanInput(paramName: string): boolean | undefined {
+    const paramValue = core.getInput(paramName)
+    switch (paramValue?.toLowerCase().trim()) {
+        case 'false':
+            return false
+        case 'true':
+            return true
+        default:
+            return undefined
+    }
+}