chore(profiling): update echion commit

Author: KowalskiThomas

ddtrace/internal/datadog/profiling/stack_v2/CMakeLists.txt

@@ -41,7 +41,7 @@ endif()
 
 # Add echion
 set(ECHION_COMMIT
-    "084f19ba813927cc886c73690ece95faa037a60a" # https://github.com/P403n1x87/echion/commit/084f19ba813927cc886c73690ece95faa037a60a
+    "39d74a33a3f3abe810e6a29132721871e3127472" # https://github.com/P403n1x87/echion/commit/39d74a33a3f3abe810e6a29132721871e3127472
     CACHE STRING "Commit hash of echion to use")
 FetchContent_Declare(
     echion

ddtrace/internal/datadog/profiling/stack_v2/src/stack_renderer.cpp

@@ -134,14 +134,14 @@ StackRenderer::render_frame(Frame& frame)
 
     auto maybe_filename_str = string_table.lookup(frame.filename);
     if (maybe_filename_str) {
-        filename_str = **maybe_filename_str;
+        filename_str = maybe_filename_str->get();
     } else {
         filename_str = missing_filename;
     }
 
     auto maybe_name_str = string_table.lookup(frame.name);
     if (maybe_name_str) {
-        name_str = **maybe_name_str;
+        name_str = maybe_name_str->get();
     } else {
         name_str = missing_name;
     }