Bump version (project-chip#74043)

Author: malbert-silabs

integrations/docker/images/base/chip-build/version

@@ -1 +1 @@
-211 : [nrfconnect] Update nRF Connect SDK version in Docker to 3.4.0
+212 : [Silabs] Add MG26 LLVM Bluetooth library in EFR32

integrations/docker/images/stage-2/chip-build-efr32/files-slt/simplicity_sdk_keep_folders.txt

@@ -53,6 +53,7 @@ bluetooth_le_controller/build/gcc/xg21/release/liblinklayer.a
 bluetooth_le_controller/build/gcc/xg24/release/liblinklayer.a
 bluetooth_le_controller/build/gcc/xg26/release/liblinklayer.a
 bluetooth_le_controller/build/llvm/xg24/release/liblinklayer.a
+bluetooth_le_controller/build/llvm/xg26/release/liblinklayer.a
 bluetooth_le_controller/build/llvm/x301/release/liblinklayer.a
 bluetooth_le_host/build/gcc/cortex-m33/privacy/rpa_resolution/release/libble_host_rpa_resolution_stub.a
 bluetooth_le_host/build/gcc/cortex-m33/privacy/resolving_list/release/libble_host_resolving_list_stub.a