Adjust attribute name to a valid for HDX (deco-cx#984)

Co-authored-by: hugo-ccabral <hugo@deco.cx>

Author: hugo-ccabral

runtime/caches/common.ts

@@ -45,7 +45,7 @@ export const withInstrumentation = (
             //there is an edge case where there is no expires header, but technically our loader always sets it
             const result = getCacheStatus(isMatch);
 
-            span.setAttribute("status", result);
+            span.setAttribute("cache_status", result);
             cacheHit.add(1, {
               result,
               engine,