build: set JULIA_NUM_THREADS to auto in workflows

Author: oameye

.github/workflows/Documenter.yml

@@ -29,6 +29,9 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: ${{ startsWith(github.ref, 'refs/pull/') }}
 
+env:
+  JULIA_NUM_THREADS: auto
+
 jobs:
   # Build job
   build:
@@ -42,6 +45,7 @@ jobs:
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-docdeploy@v1
         env:
+          JULIA_NUM_THREADS: auto
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # For authentication with GitHub Actions token
           DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }} # For authentication with SSH deploy key
           JULIA_DEBUG: "Documenter"

.github/workflows/Tests.yml

@@ -32,7 +32,7 @@ concurrency:
   cancel-in-progress: ${{ startsWith(github.ref, 'refs/pull/') }}
 
 env:
-  JULIA_NUM_THREADS: 11
+  JULIA_NUM_THREADS: auto
 
 jobs:
   test:
@@ -65,6 +65,8 @@ jobs:
       - uses: julia-actions/cache@v2
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
+        env:
+          JULIA_NUM_THREADS: auto
       - uses: julia-actions/julia-processcoverage@v1
       - uses: codecov/codecov-action@v5
         with: