[Breaking] Append _amrex to each plotfile Tool

Packaging AMReX for Conda, we received feedback that our plotfile tool
names are too generic and can collide with other packages.

Thus, we propose to rename them with a common suffix.

Tools/Plotfile/CMakeLists.txt

@@ -27,6 +27,11 @@ foreach( _exe IN LISTS _exe_names)
    if (AMReX_CUDA)
       set_source_files_properties(${_exe}.cpp PROPERTIES LANGUAGE CUDA)
    endif()
+
+    # Add suffix to each tool's name to make them unique when installed.
+    # This avoids potential collisions of names on user systems, e.g., in
+    # software packages (Spack/Conda/Debian/...).
+    set_target_properties(${_exe} PROPERTIES OUTPUT_NAME "${_exe}_amrex")
 endforeach()