powerpc/ci: Add Ubuntu 24.04 builds of selftests

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

Author: mpe

.github/workflows/powerpc-ppctests.yml

@@ -24,7 +24,7 @@ jobs:
 
     strategy:
       matrix:
-        image: [ubuntu-22.04, ubuntu-20.04, ubuntu-18.04, ubuntu-16.04]
+        image: [ubuntu-24.04, ubuntu-22.04, ubuntu-20.04, ubuntu-18.04, ubuntu-16.04]
         subarch: [ppc64, ppc64le]
 
     env:

.github/workflows/powerpc-selftests.yml

@@ -24,7 +24,7 @@ jobs:
 
     strategy:
       matrix:
-        image: [ubuntu-22.04, ubuntu-20.04, ubuntu-18.04, ubuntu-16.04]
+        image: [ubuntu-24.04, ubuntu-22.04, ubuntu-20.04, ubuntu-18.04, ubuntu-16.04]
         subarch: [ppc64, ppc64le]
 
     env: