fix(audit): change stored procedure cache to static to ensure correct persistence

Author: ascott18

CHANGELOG.md

@@ -1,4 +1,5 @@
 # 6.0.4
+- AuditLogging: Stored procedure cache was not being correctly persisted to avoid redundant `SELECT OBJECT_DEFINITION` queries.
 
 # 6.0.3
 - `c-select` now correctly respects the `filter` prop for enum collections.

src/IntelliTect.Coalesce.AuditLogging/Internal/AuditInterceptor.cs

@@ -312,7 +312,7 @@ @MergeWindowSeconds INT
     /// Cache for stored procedure names. Size is limited in case there is an application whose Model
     /// is not a singleton, e.g. dynamic model configuration for schema-based tenancy.
     /// </summary>
-    private readonly MemoryCache _storedProcedureCache = new MemoryCache(new MemoryCacheOptions() { SizeLimit = 4_000 });
+    private static readonly MemoryCache _storedProcedureCache = new MemoryCache(new MemoryCacheOptions() { SizeLimit = 4_000 });
 
     /// <summary>
     /// Ensures the stored procedure exists and returns its name.