docs: Add release notes for v8.0.27

Author: DIRACGrid CI

release.notes

@@ -1,3 +1,22 @@
+[v8.0.27]
+
+*WorkloadManagement
+
+CHANGE: (#7166) Stop using PID namespaces with SingularityCE
+
+*Resources
+
+FIX: (#7158) default providerType if not found in IdProviderFactory
+
+*TransformationSystem
+
+NEW: (#7113) 
+Implement a finer grained permissions model for Transformations.
+
+*DataManagementSystem
+
+FIX: (#7077) better error reporting when an existing LFN has no replicas (at least it doesn't crash)
+
 [v8.0.26]
 
 *docs