Update nightly.yml

.github/workflows/nightly.yml

@@ -178,7 +178,7 @@ jobs:
             -DLIBIGL_BUILD_TUTORIALS=${{ matrix.tutorials }} ^
             -DLIBIGL_WITH_CGAL=ON ^
             -DLIBIGL_WITH_COMISO=OFF ^
-            -DCMAKE_JOB_POOLS=pool-linking=1;pool-compilation=2 ^
+            -DCMAKE_JOB_POOLS=pool-linking=1;pool-compilation=1 ^
             -DCMAKE_JOB_POOL_COMPILE:STRING=pool-compilation ^
             -DCMAKE_JOB_POOL_LINK:STRING=pool-linking ^
             -B build ^