fix(go.sum): update ResolveSpec dependency to v1.0.87

vendor/github.com/redis/go-redis/v9/dial_retry_backoff.go

@@ -0,0 +1,39 @@
+package redis
+
+import (
+	"time"
+
+	"github.com/redis/go-redis/v9/internal"
+)
+
+// DialRetryBackoffConstant returns a dial retry backoff function that always returns d.
+// attempt is 0-based: attempt=0 is the delay after the 1st failed dial.
+func DialRetryBackoffConstant(d time.Duration) func(attempt int) time.Duration {
+	if d < 0 {
+		d = 0
+	}
+	return func(int) time.Duration { return d }
+}
+
+// DialRetryBackoffExponential returns a dial retry backoff function that uses exponential
+// backoff with jitter and a cap, using internal.RetryBackoff.
+//
+// attempt is 0-based: attempt=0 is the delay after the 1st failed dial.
+func DialRetryBackoffExponential(minBackoff, maxBackoff time.Duration) func(attempt int) time.Duration {
+	if minBackoff < 0 {
+		minBackoff = 0
+	}
+	if maxBackoff < 0 {
+		maxBackoff = 0
+	}
+	if minBackoff > maxBackoff {
+		minBackoff = maxBackoff
+	}
+	return func(attempt int) time.Duration {
+		// internal.RetryBackoff expects retry >= 0.
+		if attempt < 0 {
+			attempt = 0
+		}
+		return internal.RetryBackoff(attempt, minBackoff, maxBackoff)
+	}
+}