fixup! fixup! Migrate workflows to Blacksmith

Author: fhunleth

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
           - { otp: '26', elixir: '1.16' }
         os:
           - name: Linux
-            runner: blacksmith-2vcpu-ubuntu-2404
+            runner: ubuntu-latest
         include:
           - os: { name: Windows, runner: blacksmith-2vcpu-windows-2025 }
             beam: { otp: '28', elixir: '1.19' }
@@ -42,8 +42,6 @@ jobs:
       - name: Set up tty0tty
         if: runner.os == 'Linux'
         run: |
-          sudo apt-get update
-          sudo apt-get install -y linux-headers-$(uname -r)
           cd tty0tty/module
           make
           sudo cp tty0tty.ko /lib/modules/$(uname -r)/kernel/drivers/misc/
@@ -103,7 +101,7 @@ jobs:
         run: CIRCUITS_UART_PORT1=tnt0 CIRCUITS_UART_PORT2=tnt1 mix test
 
   checks:
-    runs-on: blacksmith-2vcpu-ubuntu-2404
+    runs-on: ubuntu-latest
     name: Extra checks
     steps:
       - uses: actions/checkout@v4