Fix deprecated names from ranges-v3

src/dds/build.cpp

 using namespace dds;
 
 using namespace ranges;
-using namespace ranges::view;
+using namespace ranges::views;
 
 namespace {
 
 
     dds::execute_all(compiles, params.toolchain, params.parallel_jobs);
 
-    using namespace ranges::view;
+    using namespace ranges::views;
 
     auto link_res = link_project(params, project, compiles);
 
     auto all_tests = link_res              //
         | transform(DDS_TL(_1.test_exes))  //
-        | action::join;
+        | ranges::actions::join;
 
     int n_test_fails = 0;
     for (path_ref test_exe : all_tests) {

src/dds/project.cpp

     if (!fs::exists(pf_libs_dir)) {
         return {};
     }
-    using namespace ranges::view;
+    using namespace ranges::views;
     return fs::directory_iterator(pf_libs_dir)            //
         | filter(has_library_dirs)                        //
         | transform(DDS_TL(library::from_directory(_1)))  //

src/dds/sdist.cpp

                         browns::md5&        hash) {
     auto sources_to_keep =  //
         lib.sources()       //
-        | ranges::view::filter([&](const source_file& sf) {
+        | ranges::views::filter([&](const source_file& sf) {
               if (sf.kind == source_kind::app && params.include_apps) {
                   return true;
               }

src/dds/source.cpp

 }
 
 source_list source_file::collect_for_dir(path_ref src) {
-    using namespace ranges::view;
+    using namespace ranges::views;
     // Strips nullopt elements and lifts the value from the results
     auto drop_nulls =                   //
         filter(DDS_TL(_1.has_value()))  //