Update copilot-usage-en.md

added validation question

Author: MattG57

issue_template/copilot-usage-en.md

@@ -2,23 +2,32 @@
 
 For Pull Request XXX:
 
-1. Did you use Copilot in developing this PR? (If you select No, just answer question 4)
+1. ***Did you use Copilot in developing this PR? (If you select No, just answer question 5***
 - [ ] No
 - [ ] Yes
 
-2. What percentage of time would you estimate Copilot saved you on this PR?
+2. Compared to your previous experience coding WITHOUT using Copilot (This number represents 100%)
+
+   ***How much less time did the coding take during this PR with Copilot?***
+   
+   (Example: The PR would normally take 5 days, but only took 4 days with Copilot then the answer is 20%)
 - [ ] 0%
-- [ ] > 0% but < 5%
-- [ ] ≥ 5% but < 10%
-- [ ] ≥ 10% but < 20%
-- [ ] ≥ 20% but < 30%
-- [ ] ≥ 30%
+- [ ] > 0% but < 10%
+- [ ] > 11% but < 20%
+- [ ] > 21% but < 30%
+- [ ] ≥ 31% but < 40%
+- [ ] ≥ 41%
+
+3. ***Describe your thought process for calculating (or estimating) the time saved in Question 2***
+    
+ - [ replace this line with your answer. ]
 
-3. How often did you use Copilot in this PR?
+4. ***How often did you use Copilot in this PR?***
 - [ ] All or most of the time
-- [ ] Half of the time or slightly more
+- [ ] About Half of the time
 - [ ] Some of the time
-- [ ] Little of the time
-- [ ] None of the time
+- [ ] Not very much
+
+5. ***What other information can you share about Copilot's ability to save you time coding?*** 
 
-4. What other feedback do you have for us? (Please tell us in a comment)
+ - (Please tell us in a comment)