[GPU] Changed default value for kv cache precision #43224

Job	Run time
Smart_CI	31s
Docker	1m 0s
Build / Build	5m 56s
Debian Packages	0s
OpenVINO JS API	0s
Samples	0s
ONNX Runtime Integration	0s
OpenVINO tokenizers extension	0s
CPU functional tests	0s
PyTorch Models tests	0s
C++ unit tests / C++ unit tests	39s
JAX Layer Tests / JAX Layer Tests	1m 20s
Python unit tests / Python unit tests	2m 3s
Python API tests / Python API tests	0s
Pytorch Layer Tests / PyTorch Layer Tests	2m 35s
TensorFlow Layer Tests	0s
TensorFlow Models tests	0s
ci/gha_overall_status_linux_arm64	1s
	14m 5s

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