Merge branch 'FindOpenMP-5.1-and-5.2' into release-3.27

Merge-request: !8965

Modules/FindOpenMP.cmake

@@ -434,6 +434,8 @@ endfunction()
 
 macro(_OPENMP_SET_VERSION_BY_SPEC_DATE LANG)
   set(OpenMP_SPEC_DATE_MAP
+    "202111=5.2"
+    "202011=5.1"
     # Preview versions
     "201611=5.0" # OpenMP 5.0 preview 1
     # Combined versions, 2.5 onwards