test: pin the reviewed node:22-trixie-slim digest

The new index is the official multi-arch image for amd64 and arm64.

scripts/__tests__/release-workflows.test.ts

@@ -228,7 +228,7 @@ describe("release container inputs", () => {
     expect(fromLines).toHaveLength(4);
     expect(new Set(fromLines.map((line) => line.split(" AS ")[0]))).toEqual(
       new Set([
-        "FROM node:22-trixie-slim@sha256:2117f713a417f3aff682ac8f5bc2ebbdf1beed51f36e67ab1e0fd3866b6d2d8f",
+        "FROM node:22-trixie-slim@sha256:be1e2a3dc2c4fd68cdfadad2a696a280e0d2749098bee509230174d72fb768c6",
       ]),
     );
   });