Update amrex submodule

Source/Geometry.cpp

@@ -57,7 +57,7 @@ void ExtrudedTriangles::build(
             std::string pointstr = "tri_" + std ::to_string(itri) + "_point_" +
                                    std::to_string(ipt);
             amrex::Vector<amrex::Real> vecpt;
-            pp.getarr(pointstr.c_str(), vecpt, 0, AMREX_SPACEDIM);
+            pp.getarr(pointstr, vecpt, 0, AMREX_SPACEDIM);
             for (int dir = 0; dir < AMREX_SPACEDIM; dir++) {
                 point[dir] = vecpt[dir];
             }

Source/LBM.cpp

@@ -262,12 +262,12 @@ void LBM::read_parameters()
                 has_vel_bc = true;
             }
         }
-        if (!(pp.contains(vel_bc_key.c_str())) && has_vel_bc) {
+        if (!(pp.contains(vel_bc_key)) && has_vel_bc) {
             amrex::Abort(
                 "LBM::read_paramaters: velocity BC is used without specifying "
                 "the type to be used");
         }
-        pp.query(vel_bc_key.c_str(), m_velocity_bc_type);
+        pp.query(vel_bc_key, m_velocity_bc_type);
 
         pp.get("ic_type", m_ic_type);