Improve check-webcron.sh output formatting

The code changes add a printf statement to format the output of the check-webcron.sh script. The new format rounds the value to three decimal places, improving readability.

check-webcron.sh

@@ -102,8 +102,7 @@ jobsdue=$(echo $health | jq '.JobsDue')
 jobsrunning=$(echo $health | jq '.JobsRunning')
 jobsfailing=$(echo $health | jq '.JobsFailing')
 
-val=$(echo "$jobsfailing/$jobstotal" | bc -l)
-
+val=$(printf %.3f $(echo "$jobsfailing/$jobstotal" | bc -l))
 rdetail=""
 if (( $(echo "$RESPONSE_CODE != 200" | bc -l) )); then
     rval=2