Marco Borgeaud

Modify rules S6169,S6171 (CPP-5503)

2

Summary of changes for CPP-5503: * Modify rule S6169 for S7033 and #4092 (CPP-4960) * Modify rule S6171 for S7034 and #4096 (CPP-4996)

Modify rule S5945: Add constexpr exception and fix typos (CPP-3873)

4

Related to CPP-3873 & SonarSource/sonar-cpp#2263. I started fixing typos and went on to add the exception for `constexpr`. @alejandro-alvarez-sonarsource, This should be merged once your PR is merged.