Increase MAX_JOBS from 4 to 8 in release.yml (#2241)

Author: Qubitium

.github/workflows/release.yml

@@ -70,7 +70,7 @@ env:
   GPTQMODEL_FORCE_BUILD: 1
   repo: ${{ github.event.inputs.repo || github.repository }}
   ref: ${{ github.event.inputs.ref || github.ref }}
-  MAX_JOBS: 4
+  MAX_JOBS: 8
   GPTQMODEL_BUILD_QQQ: 0
   GPTQMODEL_BUILD_EORA: 0
   GPTQMODEL_BUILD_EXLLAMA_V1: 0