ci: Switch workflows to self-hosted runner (hetzner-ccx23)

Author: chrisdpurcell

.github/workflows/ci.yml

@@ -8,7 +8,7 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: [self-hosted, linux, l3digital]
 
     steps:
     - uses: actions/checkout@v4
@@ -35,7 +35,7 @@ jobs:
         fail_ci_if_error: false
 
   lint:
-    runs-on: ubuntu-latest
+    runs-on: [self-hosted, linux, l3digital]
 
     steps:
     - uses: actions/checkout@v4