feat(dynamic-secrets): retry lease revocation when failing

backend/src/lib/delay/index.ts

@@ -2,3 +2,13 @@ export const delay = (ms: number) =>
   new Promise<void>((resolve) => {
     setTimeout(resolve, ms);
   });
+
+export const applyJitter = (delayMs: number) => {
+  const jitterFactor = 0.2;
+
+  // generates random value in [-0.2, +0.2] range
+  const randomFactor = (Math.random() * 2 - 1) * jitterFactor;
+  const jitterAmount = randomFactor * delayMs;
+
+  return delayMs + jitterAmount;
+};