fix argument name for mask-ssn

this was using "mask_phone" instead.

Tested the change in a local environment, it worked for me.

modules/kubernetes/annotations/logs/mask.alloy

@@ -454,7 +454,7 @@ declare "mask_ssn" {
     // check logs.grafana.com/mask-ssn annotation, if true the data will be masked as **SSN*REDACTED**
     stage.match {
       pipeline_name = "pipeline for annotation || " + argument.annotation.value + "/mask-ssn: true"
-      selector = "{" + argument.__sd_annotation.value + "_mask_ssn=~\"" + argument.mask_phone_value.value + "\"}"
+      selector = "{" + argument.__sd_annotation.value + "_mask_ssn=~\"" + argument.mask_ssn_value.value + "\"}"
 
       stage.replace {
         // unescaped regex: ([0-9]{3}-[0-9]{2}-[0-9]{4})