squash! common : add default embeddings presets [no ci]

Default to Q8_0 quantization.

Author: danbev

common/arg.cpp

@@ -2329,7 +2329,7 @@ common_params_context common_params_parser_init(common_params & params, llama_ex
         string_format("use default bge-small-en-v1.5 model (note: can download weights from the internet)"),
         [](common_params & params) {
             params.hf_repo = "CompendiumLabs/bge-small-en-v1.5-gguf";
-            params.hf_file = "bge-small-en-v1.5-q4_k_m.gguf";
+            params.hf_file = "bge-small-en-v1.5-q8_0.gguf";
             params.pooling_type = LLAMA_POOLING_TYPE_NONE;
             params.embd_normalize = 2;
             params.n_ctx = 512;
@@ -2343,7 +2343,7 @@ common_params_context common_params_parser_init(common_params & params, llama_ex
         string_format("use default e5-small-v2 model (note: can download weights from the internet)"),
         [](common_params & params) {
             params.hf_repo = "ChristianAzinn/e5-small-v2-gguf";
-            params.hf_file = "e5-small-v2.Q4_K_M.gguf";
+            params.hf_file = "e5-small-v2.Q8_0.gguf";
             params.pooling_type = LLAMA_POOLING_TYPE_NONE;
             params.embd_normalize = 2;
             params.n_ctx = 512;
@@ -2357,7 +2357,7 @@ common_params_context common_params_parser_init(common_params & params, llama_ex
         string_format("use default gte-small model (note: can download weights from the internet)"),
         [](common_params & params) {
             params.hf_repo = "ChristianAzinn/gte-small-gguf";
-            params.hf_file = "gte-small.Q4_K_M.gguf";
+            params.hf_file = "gte-small.Q8_0.gguf";
             params.pooling_type = LLAMA_POOLING_TYPE_NONE;
             params.embd_normalize = 2;
             params.n_ctx = 512;