Bump actions/checkout from 5 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build_docker_image.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3

.github/workflows/rust-clippy.yml

@@ -28,7 +28,7 @@ jobs:
       actions: read # only required for a private repository by github/codeql-action/upload-sarif to get the Action run status
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install Rust toolchain
         uses: actions-rs/toolchain@16499b5e05bf2e26879000db0c1d13f7e13fa3af #@v1

src/views.rs

@@ -113,6 +113,21 @@ async fn create_service(db: Database, Json(data): Json<CreateServiceData>) -> im
         return StatusCode::PAYMENT_REQUIRED.into_response();
     };
 
+    let token_exists = sqlx::query_scalar!(
+        r#"
+        SELECT EXISTS(SELECT 1 FROM services WHERE token = $1)
+        "#,
+        token
+    )
+    .fetch_one(&db.0)
+    .await
+    .unwrap_or(Some(false))
+    .unwrap();
+
+    if token_exists {
+        return StatusCode::CONFLICT.into_response();
+    }
+
     let service = sqlx::query_as!(
         Service,
         r#"