ci: re-enable IBM runners for ppc64le and s390x

This PR re-enables the IBM runners for ppc64le/s390x build jobs and s390x static checks.

Signed-off-by: Amulyam24 <amulmek1@in.ibm.com>

.github/actionlint.yaml

@@ -25,6 +25,7 @@ self-hosted-runner:
     - ppc64le-k8s
     - ppc64le-small
     - ubuntu-24.04-ppc64le
+    - ubuntu-24.04-s390x
     - metrics
     - riscv-builder
     - sev-snp

.github/workflows/build-kata-static-tarball-ppc64le.yaml

@@ -32,7 +32,7 @@ jobs:
     permissions:
       contents: read
       packages: write
-    runs-on: ppc64le-small
+    runs-on: ubuntu-24.04-ppc64le
     strategy:
       matrix:
         asset:
@@ -89,7 +89,7 @@ jobs:
 
   build-asset-rootfs:
     name: build-asset-rootfs
-    runs-on: ppc64le-small
+    runs-on: ubuntu-24.04-ppc64le
     needs: build-asset
     permissions:
       contents: read
@@ -170,7 +170,7 @@ jobs:
 
   build-asset-shim-v2:
     name: build-asset-shim-v2
-    runs-on: ppc64le-small
+    runs-on: ubuntu-24.04-ppc64le
     needs: [build-asset, build-asset-rootfs, remove-rootfs-binary-artifacts]
     permissions:
       contents: read
@@ -230,7 +230,7 @@ jobs:
 
   create-kata-tarball:
     name: create-kata-tarball
-    runs-on: ppc64le-small
+    runs-on: ubuntu-24.04-ppc64le
     needs: [build-asset, build-asset-rootfs, build-asset-shim-v2]
     permissions:
       contents: read

.github/workflows/build-kata-static-tarball-s390x.yaml

@@ -32,7 +32,7 @@ permissions: {}
 jobs:
   build-asset:
     name: build-asset
-    runs-on: s390x
+    runs-on: ubuntu-24.04-s390x
     permissions:
       contents: read
       packages: write
@@ -257,7 +257,7 @@ jobs:
 
   build-asset-shim-v2:
     name: build-asset-shim-v2
-    runs-on: s390x
+    runs-on: ubuntu-24.04-s390x
     needs: [build-asset, build-asset-rootfs, remove-rootfs-binary-artifacts]
     permissions:
       contents: read
@@ -319,7 +319,7 @@ jobs:
 
   create-kata-tarball:
     name: create-kata-tarball
-    runs-on: s390x
+    runs-on: ubuntu-24.04-s390x
     needs:
       - build-asset
       - build-asset-rootfs

.github/workflows/ci.yaml

@@ -147,7 +147,7 @@ jobs:
       tag: ${{ inputs.tag }}-s390x
       commit-hash: ${{ inputs.commit-hash }}
       target-branch: ${{ inputs.target-branch }}
-      runner: s390x
+      runner: ubuntu-24.04-s390x
       arch: s390x
     secrets:
       QUAY_DEPLOYER_PASSWORD: ${{ secrets.QUAY_DEPLOYER_PASSWORD }}
@@ -165,7 +165,7 @@ jobs:
       tag: ${{ inputs.tag }}-ppc64le
       commit-hash: ${{ inputs.commit-hash }}
       target-branch: ${{ inputs.target-branch }}
-      runner: ppc64le-small
+      runner: ubuntu-24.04-ppc64le
       arch: ppc64le
     secrets:
       QUAY_DEPLOYER_PASSWORD: ${{ secrets.QUAY_DEPLOYER_PASSWORD }}

.github/workflows/release-ppc64le.yaml

@@ -31,7 +31,7 @@ jobs:
     permissions:
       contents: read
       packages: write
-    runs-on: ppc64le-small
+    runs-on: ubuntu-24.04-ppc64le
     steps:
       - name: Login to Kata Containers ghcr.io
         uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0

.github/workflows/release-s390x.yaml

@@ -35,7 +35,7 @@ jobs:
     permissions:
       contents: read
       packages: write
-    runs-on: s390x
+    runs-on: ubuntu-24.04-s390x
     steps:
       - name: Login to Kata Containers ghcr.io
         uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0

.github/workflows/static-checks-self-hosted.yaml

@@ -29,7 +29,7 @@ jobs:
       matrix:
         instance:
           - "ubuntu-24.04-arm"
-          - "s390x"
+          - "ubuntu-24.04-s390x"
           - "ubuntu-24.04-ppc64le"
     uses: ./.github/workflows/build-checks.yaml
     with: