release: Update VERSION for v1.11 release
release: Update VERSION for v1.11 release

Update the VERSION file so that it no longer shows release candidate.

Signed-off-by: Carles Cufi <853081dc8dca4fe6a7e3c984752718b5db36e060@nordicsemi.no>

ldts/zephyr,galak/zephyr,punitvara/zephyr,punitvara/zephyr,kraj/zephyr,ldts/zephyr,finikorg/zephyr,Vudentz/zephyr,GiulianoFranchetto/zephyr,explora26/zephyr,galak/zephyr,kraj/zephyr,punitvara/zephyr,mbolivar/zephyr,punitvara/zephyr,zephyrproject-rtos/zephyr,mbolivar/zephyr,zephyrproject-rtos/zephyr,ldts/zephyr,Vudentz/zephyr,GiulianoFranchetto/zephyr,nashif/zephyr,nashif/zephyr,ldts/zephyr,nashif/zephyr,zephyrproject-rtos/zephyr,explora26/zephyr,mbolivar/zephyr,Vudentz/zephyr,Vudentz/zephyr,kraj/zephyr,zephyriot/zephyr,nashif/zephyr,Vudentz/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,ldts/zephyr,zephyriot/zephyr,zephyrproject-rtos/zephyr,Vudentz/zephyr,GiulianoFranchetto/zephyr,mbolivar/zephyr,explora26/zephyr,finikorg/zephyr,finikorg/zephyr,explora26/zephyr,kraj/zephyr,nashif/zephyr,galak/zephyr,zephyriot/zephyr,GiulianoFranchetto/zephyr,galak/zephyr,GiulianoFranchetto/zephyr,galak/zephyr,zephyriot/zephyr,punitvara/zephyr,explora26/zephyr,finikorg/zephyr,mbolivar/zephyr,kraj/zephyr,zephyriot/zephyr