ci: Free disk space on Ubuntu runners

Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>

.github/workflows/cve-scan.yml

@@ -16,8 +16,10 @@ jobs:
   govulncheck:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/checkout@v6
+      - uses: actions/checkout@v6
+      - uses: ./.github/actions/runner-cleanup
       - name: Vulnerability scan
         id: govulncheck
         uses: golang/govulncheck-action@v1
+        with:
+          repo-checkout: false

.github/workflows/e2e.yml

@@ -15,6 +15,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v6
+      - name: Disk Cleanup
+        uses: ./.github/actions/runner-cleanup
       - name: Setup Kubernetes
         uses: helm/kind-action@v1.13.0
         with:
@@ -47,8 +49,8 @@ jobs:
       PODINFO_MODULE_URL: "oci://localhost:5000/podinfo"
       PODINFO_VERSION: "0.0.0-devel"
     steps:
-      - name: Checkout
-        uses: actions/checkout@v6
+      - uses: actions/checkout@v6
+      - uses: ./.github/actions/runner-cleanup
       - name: Setup Timoni
         uses: stefanprodan/timoni/actions/setup@main
       - name: Setup Kubernetes

.github/workflows/release.yml

@@ -17,6 +17,7 @@ jobs:
       packages: write # needed for ghcr access
     steps:
       - uses: actions/checkout@v6
+      - uses: ./.github/actions/runner-cleanup
       - uses: sigstore/cosign-installer@v4.0.0
         with:
           cosign-release: v2.6.1

.github/workflows/test.yml

@@ -17,8 +17,8 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/checkout@v6
+      - uses: actions/checkout@v6
+      - uses: ./.github/actions/runner-cleanup
       - name: Setup Go
         uses: actions/setup-go@v6
         with: