Update dependencies on '6.2' in qt/qtvirtualkeyboard

Change-Id: I7581991db0a5246eb38d450cfd3508fa96325c6c
Reviewed-by: Qt Submodule Update Bot <qt_submodule_update_bot@qt-project.org>

dependencies.yaml

 dependencies:
   ../qtbase:
-    ref: 715c0a746ac04b2638c1b004cec31cf08fe3a5e4
+    ref: 621c16a9650d3068ec9aea2c055193c00a5f8ce5
     required: true
   ../qtdeclarative:
-    ref: ca7a91f9b6a1c7a44d9e91b081dc80d580e46538
+    ref: 4bb54ee50eb8bbaf0b7d2f48e0ab8d324f304f1a
     required: true
   ../qtmultimedia:
-    ref: 176dcf25adbd2e18331260eba14e5bd78dacbf94
+    ref: bb5877d33bf34769383ef105ca11fa80112ea98a
     required: false
   ../qtsvg:
-    ref: 9466363ddcef786d5048032cd695616b00222c10
+    ref: 3b552de76062ce5935445020496beed58161dc4a
     required: true