Disable using Qt functions deprecated up to Qt 6.5

* Disable using Qt functions deprecated up to Qt 6.5
* Utilize QSet::removeIf()

PR #19419.

cmake/Modules/CommonConfig.cmake

@@ -20,7 +20,7 @@ target_compile_features(qbt_common_cfg INTERFACE
 )
 
 target_compile_definitions(qbt_common_cfg INTERFACE
-    QT_DISABLE_DEPRECATED_BEFORE=0x050f02
+    QT_DISABLE_DEPRECATED_UP_TO=0x060500
     QT_NO_CAST_FROM_ASCII
     QT_NO_CAST_TO_ASCII
     QT_NO_CAST_FROM_BYTEARRAY

src/base/bittorrent/sessionimpl.cpp

@@ -1382,7 +1382,7 @@ void SessionImpl::processNextResumeData(ResumeSessionContext *context)
         }
     }
 
-    erase_if(resumeData.tags, [this, &torrentID](const QString &tag)
+    std::erase_if(resumeData.tags, [this, &torrentID](const QString &tag)
     {
         if (hasTag(tag))
             return false;

src/base/http/server.cpp

@@ -148,7 +148,7 @@ void Server::removeConnection(Connection *connection)
 
 void Server::dropTimedOutConnection()
 {
-    erase_if(m_connections, [](Connection *connection)
+    m_connections.removeIf([](Connection *connection)
     {
         if (!connection->hasExpired(KEEP_ALIVE_DURATION))
             return false;