glog 0.7.1 got released #840

Glog got released and with 0.7.0 the minimum cmake version was bumped up to 3.21

this fixes the build on newer CMake versions like 4.0+ where the build fails because the minimum CMake version is 3.5

• Glog 0.7.0 release notes
• Glog 0.7.1 release notes
• PR increasing CMake minimum version fix(build): raise minimum cmake version to 3.21 google/glog#974