Switch to self-hosted runner

Author: GeiserX

.github/workflows/nextflow.yml

@@ -17,7 +17,7 @@ concurrency:
 
 jobs:
   nextflow-validate:
-    runs-on: ubuntu-latest
+    runs-on: [self-hosted, linux, x64]
     steps:
       - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4