Increase some tools min versions

This is mainly due to requirements of HighFive

CMake -> 3.19
g++   -> 10
clang -> 11

CMakeLists.txt

-cmake_minimum_required (VERSION 3.16)
+cmake_minimum_required (VERSION 3.19)
 
 # CMake utils
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
@@ -83,8 +83,8 @@ endif()
 #------------------------------------------------------
 
 # Checks if compiler version is compatible with Pugs sources
-set(GNU_CXX_MIN_VERSION "9.0.0")
-set(CLANG_CXX_MIN_VERSION "10.0.0")
+set(GNU_CXX_MIN_VERSION "10.0.0")
+set(CLANG_CXX_MIN_VERSION "11.0.0")
 
 #------------------------------------------------------
 # Change Kokkos namespace to avoid conflicts