Add Laguna-XS-2.1-INT4 to nightly CI (#52961)

Signed-off-by: Joe Rowell <joe@poolside.ai>
Signed-off-by: Misha Goin <mgoin64@gmail.com>
Co-authored-by: Misha Goin <mgoin64@gmail.com>

tests/evals/gsm8k/configs/Laguna-XS-2.1-INT4.yaml

@@ -0,0 +1,11 @@
+model_name: "poolside/Laguna-XS-2.1-INT4"
+accuracy_threshold: 0.90
+num_questions: 1319
+num_fewshot: 5
+max_tokens: 1024
+use_chat_completions: true
+startup_max_wait_seconds: 1200
+server_args: >-
+  --enforce-eager
+  --max-model-len 4096
+  --trust-remote-code

tests/evals/gsm8k/configs/Laguna-XS.2-NVFP4.yaml

@@ -1,7 +1,9 @@
 model_name: "poolside/Laguna-XS.2-NVFP4"
-accuracy_threshold: 0.86
+accuracy_threshold: 0.90
 num_questions: 1319
 num_fewshot: 5
+max_tokens: 1024
+use_chat_completions: true
 startup_max_wait_seconds: 1200
 server_args: >-
   --enforce-eager

tests/evals/gsm8k/configs/models-blackwell.txt

@@ -4,3 +4,4 @@ Qwen1.5-MoE-W4A16-CT.yaml
 DeepSeek-V2-Lite-Instruct-FP8.yaml
 Qwen3-30B-A3B-NVFP4.yaml
 Laguna-XS.2-NVFP4.yaml
+Laguna-XS-2.1-INT4.yaml

tests/evals/gsm8k/configs/models-small.txt

@@ -5,4 +5,4 @@ Qwen2.5-VL-3B-Instruct-FP8-dynamic.yaml
 Qwen1.5-MoE-W4A16-CT.yaml
 DeepSeek-V2-Lite-Instruct-FP8.yaml
 Qwen3-30B-A3B-MXFP4A16.yaml
-gemma-4-E4B-it-qat-mobile-ct.yaml
+gemma-4-E4B-it-qat-mobile-ct.yaml