Update dependencies on '6.2' in qt/qtquickcontrols2 fails

agent:2021/06/16 00:51:18 build.go:391: 2: QFATAL : tst_controls::Basic::ComboBox::test_reopen_popup() ASSERT: "m_palette" in file include/QtQuick/6.2.0/QtQuick/private/../../../../../src/quick/items/qquickpaletteproviderprivatebase_p.h, line 403
agent:2021/06/16 00:51:18 build.go:391: 2: FAIL!  : tst_controls::Basic::ComboBox::test_reopen_popup() Received a fatal error.
agent:2021/06/16 00:51:18 build.go:391: 2:    Loc: [Unknown file(0)]
agent:2021/06/16 00:51:18 build.go:391: 2: Totals: 241 passed, 1 failed, 0 skipped, 0 blacklisted, 12782ms
agent:2021/06/16 00:51:18 build.go:391: 2: ********* Finished testing of tst_controls::Basic *********
agent:2021/06/16 00:51:18 build.go:391: 2: CMake Error at tst_basicWrapperDebug.cmake:17 (message):
agent:2021/06/16 00:51:18 build.go:391: 2:   
agent:2021/06/16 00:51:18 build.go:391: 2:   /home/qt/work/qt/qtquickcontrols2_standalone_tests/tests/auto/controls/basic/tst_basic
agent:2021/06/16 00:51:18 build.go:391: 2:   execution failed.
agent:2021/06/16 00:51:18 build.go:391: 2: 
agent:2021/06/16 00:51:18 build.go:391: 2: 
agent:2021/06/16 00:51:18 build.go:391:  2/39 Test  #2: tst_basic .............................***Failed   13.19 sec
agent:2021/06/16 00:51:18 build.go:391:       Start  2: tst_basic
agent:2021/06/16 00:51:18 build.go:391: 2: Test command: /opt/cmake-3.19.2/bin/cmake "-P" "/home/qt/work/qt/qtquickcontrols2_standalone_tests/tests/auto/controls/basic/tst_basicWrapperDebug.cmake"
agent:2021/06/16 00:51:18 build.go:391: 2: Test timeout computed to be: 1500
agent:2021/06/16 00:51:18 build.go:391: 2: No protocol specified