* vulkan: support memset_tensor * vulkan: support GGML_OP_SUM * vulkan: implement GGML_OP_ARGMAX * vulkan: implement GGML_OP_SUB * vulkan: implement GGML_OP_COUNT_EQUAL * vulkan: implement GGML_OP_OPT_STEP_ADAMW * vulkan: fix check_results RWKV_WKV6 crash and memory leaks * vulkan: implement GGML_OP_REPEAT_BACK * tests: remove invalid test-backend-ops REPEAT_BACK tests * vulkan: fix COUNT_EQUAL memset using a fillBuffer command
* vulkan: initial support for IQ1_S and IQ1_M quantizations * vulkan: define MMV kernels for IQ1 quantizations * devops: increase timeout of Vulkan tests again * vulkan: simplify ifdef for init_iq_shmem