fix: add random wait value

[skip ci]

stackit/internal/wait/postgresflexalpha/wait.go

@@ -2,10 +2,11 @@ package postgresflexalpha
 
 import (
 	"context"
+	"crypto/rand"
 	"errors"
 	"fmt"
 	"math"
-	"math/rand/v2"
+	"math/big"
 	"net/http"
 	"time"
 
@@ -142,7 +143,13 @@ func CreateInstanceWaitHandler(
 								"failedCount": failedCount,
 							},
 						)
-						time.Sleep(time.Duration(rand.IntN(120)) * time.Second) //nolint:gosec // not that important and temporary
+						var waitCounter int64 = 1
+						maxWait := big.NewInt(7)
+						n, err := rand.Int(rand.Reader, maxWait)
+						if err == nil {
+							waitCounter = n.Int64() + 1
+						}
+						time.Sleep(time.Duration(waitCounter*30) * time.Second) //nolint:gosec // not that important and temporary
 						return false, nil, nil
 					}
 					return true, s, fmt.Errorf(
@@ -218,7 +225,13 @@ func PartialUpdateInstanceWaitHandler(
 							"failedCount": failedCount,
 						},
 					)
-					time.Sleep(time.Duration(rand.IntN(120)) * time.Second) //nolint:gosec // not that important and temporary
+					var waitCounter int64 = 1
+					maxWait := big.NewInt(7)
+					n, err := rand.Int(rand.Reader, maxWait)
+					if err == nil {
+						waitCounter = n.Int64() + 1
+					}
+					time.Sleep(time.Duration(waitCounter*30) * time.Second) //nolint:gosec // not that important and temporary
 					return false, nil, nil
 				}
 				return true, s, fmt.Errorf(
@@ -352,7 +365,13 @@ func DeleteInstanceWaitHandler(
 							"failedCount": failedCount,
 						},
 					)
-					time.Sleep(time.Duration(rand.IntN(120)) * time.Second) //nolint:gosec // not that important and temporary
+					var waitCounter int64 = 1
+					maxWait := big.NewInt(7)
+					n, err := rand.Int(rand.Reader, maxWait)
+					if err == nil {
+						waitCounter = n.Int64() + 1
+					}
+					time.Sleep(time.Duration(waitCounter*30) * time.Second) //nolint:gosec // not that important and temporary
 					return false, nil, nil
 				}
 				return true, nil, fmt.Errorf("wait handler got status FAILURE for instance: %s", instanceID)