fix(ci): repair path filters regressed by #21482 (#23201)

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

.github/workflows/pr-test.yml

@@ -136,7 +136,7 @@ jobs:
               - ".github/workflows/pr-test.yml"
               - ".github/workflows/pr-test-multimodal-gen.yml"
               - "python/pyproject.toml"
-              - "python/sglang/multimodal_gen/**/*.!(md|ipynb)"
+              - "python/sglang/multimodal_gen/**/!(*.md|*.ipynb)"
               - "python/sglang/jit_kernel/diffusion/**"
               - "python/sglang/jit_kernel/tests/diffusion/**"
               - "python/sglang/jit_kernel/benchmark/diffusion/**"
@@ -148,7 +148,7 @@ jobs:
               - "python/sglang/jit_kernel/**"
             sgl_kernel:
               - ".github/workflows/pr-test-sgl-kernel.yml"
-              - "sgl-kernel/**/*.!(md|txt)"
+              - "sgl-kernel/**/!(*.md|THIRDPARTYNOTICES.txt|LICENSE)"
 
       # For /rerun-stage (workflow_dispatch with target_stage), dorny/paths-filter doesn't work
       # correctly because it falls back to "last commit" detection which breaks for merge commits.