Fix coding conventions PR template

[sfc-gh-knozderko]

Description

Fix coding conventions PR template

Checklist

• [x] Code compiles correctly
• [x] Code is formatted according to Coding Conventions
• [x] Created tests which fail without the change (if possible)
• [x] All tests passing (dotnet test)
• [x] Extended the README / documentation, if necessary
• [x] Provide JIRA issue id (if possible) or GitHub issue id in PR name

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 84.34%. Comparing base (ac0860f) to head (a9bca92).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #905 +/- ## ========================================== - Coverage 84.41% 84.34% -0.08% ========================================== Files 89 89 Lines 9683 9683 Branches 914 914 ========================================== - Hits 8174 8167 -7 - Misses 1274 1282 +8 + Partials 235 234 -1 ```

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