check bitwarden itemid format (#4508)

skyvern/utils/strings.py

@@ -1,6 +1,7 @@
 import os
 import random
 import string
+import uuid
 
 RANDOM_STRING_POOL = string.ascii_letters + string.digits
 
@@ -9,3 +10,11 @@ def generate_random_string(length: int = 5) -> str:
     # Use the os.urandom(16) as the seed
     random.seed(os.urandom(16))
     return "".join(random.choices(RANDOM_STRING_POOL, k=length))
+
+
+def is_uuid(string: str) -> bool:
+    try:
+        uuid.UUID(string)
+        return True
+    except ValueError:
+        return False