Update github.com/grafana/tempo digest to ab878d4

Signed-off-by: red-hat-konflux <126015336+red-hat-konflux[bot]@users.noreply.github.com>

Author: red-hat-konflux[bot]

go.mod

@@ -20,7 +20,7 @@ require (
 	github.com/golang-jwt/jwt/v4 v4.5.1
 	github.com/golang/protobuf v1.5.4
 	github.com/gorilla/websocket v1.5.3
-	github.com/grafana/tempo v1.5.1-0.20241219111835-fa9b7ad5ad34
+	github.com/grafana/tempo ab878d4a698d
 	github.com/grpc-ecosystem/go-grpc-middleware v1.4.0
 	github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.1.0
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0