style: fix deno fmt and lint

tests/e2e/promotions_test.ts

@@ -57,7 +57,10 @@ Deno.test({
   async fn() {
     await truncateAll();
     const res = await promotionsHandler.POST!(
-      makeJsonRequest("/promotions", "POST", { idPromo: "INFO3-2025", annee: "2025" }),
+      makeJsonRequest("/promotions", "POST", {
+        idPromo: "INFO3-2025",
+        annee: "2025",
+      }),
       makeEmployeeContext(),
     );
     assertEquals(res.status, 201);

tests/unit/promotions_test.ts

@@ -41,7 +41,12 @@ Deno.test("mock API: GET /promotions/:id returns one", async () => {
 });
 
 Deno.test("mock API: GET /promotions/:id 404 when not found", async () => {
-  mockFetch({ "/promotions/UNKNOWN": { status: 404, body: { error: "Ressource introuvable" } } });
+  mockFetch({
+    "/promotions/UNKNOWN": {
+      status: 404,
+      body: { error: "Ressource introuvable" },
+    },
+  });
   try {
     const res = await fetch("http://localhost/api/promotions/UNKNOWN");
     assertEquals(res.status, 404);
@@ -83,7 +88,9 @@ Deno.test("mock API: POST /promotions 400 on missing fields", async () => {
 
 Deno.test("mock API: PUT /promotions/:id updates promotion", async () => {
   const updated = { idPromo: "4AFISE25/26", annee: "2026" };
-  mockFetch({ "/promotions/4AFISE25%2F26": { method: "PUT", status: 200, body: updated } });
+  mockFetch({
+    "/promotions/4AFISE25%2F26": { method: "PUT", status: 200, body: updated },
+  });
   try {
     const res = await fetch("http://localhost/api/promotions/4AFISE25%2F26", {
       method: "PUT",