[CI] set ninja threads to 4 (#487)

* [CI] set MAX_JOBS

* [CI] set max jobs for ninja

Author: CSY-ModelCloud

.github/workflows/release.yml

@@ -37,6 +37,7 @@ env:
   GPTQMODEL_FORCE_BUILD: 1
   repo: ${{ github.event.inputs.repo || github.repository }}
   ref: ${{ github.event.inputs.ref || github.ref }}
+  MAX_JOBS: 4
 
 concurrency:
   group: ${{ github.event.inputs.ref || github.ref }}-workflow-release

.github/workflows/unit_tests.yml

@@ -34,6 +34,7 @@ on:
 env:
   CUDA_DEVICE_ORDER: PCI_BUS_ID
   CUDA_VISIBLE_DEVICES: 0
+  MAX_JOBS: 4
   ZEN4_SERVER: 10.0.14.199
   CPU_TEST_FILES: "test_qbits.py"
   IGNORED_TEST_FILES: "test_tgi.py"