Use ‘release-candidate’ instead of ‘rc’

This makes the version alias match other places where we reference a
release candidate version.

.github/workflows/prod.yml

@@ -28,6 +28,12 @@ jobs:
         gradle-version: 6.9
         build-root-directory: __tests__/samples/no-wrapper
         arguments: help
+    - name: Test use Gradle version alias
+      uses: ./
+      with:
+        gradle-version: release-candidate
+        build-root-directory: __tests__/samples/no-wrapper
+        arguments: help
     - name: Test use defined Gradle executable
       uses: ./
       with:

README.md

@@ -92,7 +92,7 @@ Moreover, you can use the following aliases:
 | --- |---|
 | `wrapper`           | The Gradle wrapper's version (default, useful for matrix builds) |
 | `current`           | The current [stable release](https://gradle.org/install/) |
-| `rc`      | The current [release candidate](https://gradle.org/release-candidate/) if any, otherwise fallback to `current` |
+| `release-candidate` | The current [release candidate](https://gradle.org/release-candidate/) if any, otherwise fallback to `current` |
 | `nightly`           | The latest [nightly](https://gradle.org/nightly/), fails if none. |
 | `release-nightly`   | The latest [release nightly](https://gradle.org/release-nightly/), fails if none.      |
 
@@ -114,7 +114,7 @@ jobs:
         java-version: 11
     - uses: eskatos/gradle-command-action@v1
       with:
-        gradle-version: rc
+        gradle-version: release-candidate
         arguments: build --dry-run # just test build configuration
 ```
 

src/provision.ts

@@ -16,7 +16,7 @@ export async function gradleVersion(version: string): Promise<string> {
     switch (version) {
         case 'current':
             return gradleCurrent()
-        case 'rc':
+        case 'release-candidate':
             return gradleReleaseCandidate()
         case 'nightly':
             return gradleNightly()