feat: add changelog and fix flake8

prowler/CHANGELOG.md

@@ -17,6 +17,7 @@ All notable changes to the **Prowler SDK** are documented in this file.
 - Oracle Cloud provider with CIS 3.0 benchmark [(#8893)](https://github.com/prowler-cloud/prowler/pull/8893)
 - Support for Atlassian Document Format (ADF) in Jira integration [(#8878)](https://github.com/prowler-cloud/prowler/pull/8878)
 - Add Common Cloud Controls for AWS, Azure and GCP [(#8000)](https://github.com/prowler-cloud/prowler/pull/8000)
+- `cloudstorage_bucket_lifecycle_management_enabled` check for GCP provider [(#8936)](https://github.com/prowler-cloud/prowler/pull/8936)
 
 ### Changed
 

prowler/providers/gcp/services/cloudstorage/cloudstorage_bucket_lifecycle_management_enabled/cloudstorage_bucket_lifecycle_management_enabled.py

@@ -1,17 +1,18 @@
 from prowler.lib.check.models import Check, Check_Report_GCP
-from prowler.providers.gcp.services.cloudstorage.cloudstorage_client import cloudstorage_client
+from prowler.providers.gcp.services.cloudstorage.cloudstorage_client import (
+    cloudstorage_client,
+)
+
 
 class cloudstorage_bucket_lifecycle_management_enabled(Check):
-    
     """Ensure Cloud Storage buckets have lifecycle management enabled with at least one valid rule.
-    
+
     Reports PASS if a bucket has at least one valid lifecycle rule
     (with a supported action and condition), otherwise FAIL.
 
     """
 
     def execute(self) -> list[Check_Report_GCP]:
-
         """Run the lifecycle management check for each Cloud Storage bucket.
 
         Returns:
@@ -27,25 +28,29 @@ class cloudstorage_bucket_lifecycle_management_enabled(Check):
             )
 
             rules = bucket.lifecycle_rules
-            
+
             if rules:
                 valid_rules = []
                 for rule in rules:
                     action_type = rule.get("action", {}).get("type")
                     condition = rule.get("condition")
-                    if action_type in ("Delete", "SetStorageClass", "AbortIncompleteMultipartUpload") and condition:
+                    if (
+                        action_type
+                        in (
+                            "Delete",
+                            "SetStorageClass",
+                            "AbortIncompleteMultipartUpload",
+                        )
+                        and condition
+                    ):
                         valid_rules.append(rule)
 
                 if valid_rules:
                     report.status = "PASS"
-                    report.status_extended = (
-                        f"Bucket {bucket.name} has lifecycle management enabled with {len(valid_rules)} valid rule(s)."
-                    )
+                    report.status_extended = f"Bucket {bucket.name} has lifecycle management enabled with {len(valid_rules)} valid rule(s)."
                 else:
                     report.status = "FAIL"
-                    report.status_extended = (
-                        f"Bucket {bucket.name} has lifecycle rules configured but none are valid."
-                    )
+                    report.status_extended = f"Bucket {bucket.name} has lifecycle rules configured but none are valid."
 
             findings.append(report)
         return findings

prowler/providers/gcp/services/cloudstorage/cloudstorage_service.py

@@ -36,7 +36,7 @@ class CloudStorage(GCPService):
                         lifecycle = bucket.get("lifecycle")
                         if isinstance(lifecycle, dict):
                             rules = lifecycle.get("rule")
-                            if isinstance(rules, list): 
+                            if isinstance(rules, list):
                                 lifecycle_rules = rules
 
                         self.buckets.append(