clang-tidy: use 'using' instead of 'typedef' [modernize-use-using]

src/Benchmarks/BLAS/VectorOperations.h

src/Benchmarks/HeatEquation/BenchmarkLaplace.h

src/Benchmarks/HeatEquation/DirichletBoundaryConditions.h

src/Benchmarks/HeatEquation/HeatEquationBenchmarkProblem.h

...nchmarks/HeatEquation/HeatEquationBenchmarkProblem_impl.h

src/Benchmarks/HeatEquation/HeatEquationBenchmarkRhs.h

src/Benchmarks/HeatEquation/TestGridEntity.h

src/Benchmarks/HeatEquation/Tuning/ExplicitUpdater.h

src/Benchmarks/HeatEquation/Tuning/GridTraverser.h

src/Benchmarks/HeatEquation/Tuning/SimpleCell.h

src/Benchmarks/HeatEquation/Tuning/Traverser_Grid2D.h

src/Benchmarks/HeatEquation/tnl-benchmark-heat-equation.h

...chmarks/HeatEquation/tnl-benchmark-simple-heat-equation.h

src/Benchmarks/ODESolvers/Euler.h

src/Benchmarks/ODESolvers/Merson.h

src/TNL/Algorithms/Segments/detail/CheckLambdas.h

src/TNL/Functions/Analytic/Blob.h

src/TNL/Functions/Analytic/Constant.h

src/TNL/Functions/Analytic/Cylinder.h

src/TNL/Functions/Analytic/ExpBump.h