chore: upgrade flashinfer v0.2.6.post1 jit (#6958)

Co-authored-by: alcanderian <alcanderian@gmail.com>
Co-authored-by: Qiaolin Yu <qy254@cornell.edu>
Co-authored-by: Baizhou Zhang <sobereddiezhang@gmail.com>
Co-authored-by: Mick <mickjagger19@icloud.com>
Co-authored-by: ispobock <ispobaoke@gmail.com>

.github/workflows/vllm-dependency-test.yml

@@ -30,7 +30,7 @@ jobs:
       - name: Install dependencies
         run: |
           bash scripts/ci_install_dependency.sh
-          pip install "vllm==0.8.4"
+          pip install "vllm==0.9.0.1"
           pip install "bitsandbytes>=0.44.0"
 
       - name: Run VLLM dependency tests