chore: Update boost usages to match 1.88 (#2355)

src/util/CoroutineGroup.cpp

@@ -20,6 +20,7 @@
 #include "util/CoroutineGroup.hpp"
 
 #include "util/Assert.hpp"
+#include "util/Spawn.hpp"
 
 #include <boost/asio/spawn.hpp>
 #include <boost/asio/steady_timer.hpp>
@@ -48,7 +49,7 @@ CoroutineGroup::spawn(boost::asio::yield_context yield, std::function<void(boost
         return false;
 
     ++childrenCounter_;
-    boost::asio::spawn(yield, [this, fn = std::move(fn)](boost::asio::yield_context yield) {
+    util::spawn(yield, [this, fn = std::move(fn)](boost::asio::yield_context yield) {
         fn(yield);
         onCoroutineCompleted();
     });
@@ -64,7 +65,7 @@ CoroutineGroup::registerForeign(boost::asio::yield_context yield)
     ++childrenCounter_;
     // It is important to spawn onCoroutineCompleted() to the same coroutine as will be calling asyncWait().
     // timer_ here is not thread safe, so without spawn there could be a data race.
-    return [this, yield]() { boost::asio::spawn(yield, [this](auto&&) { onCoroutineCompleted(); }); };
+    return [this, yield]() { util::spawn(yield, [this](auto&&) { onCoroutineCompleted(); }); };
 }
 
 void