Merge pull request #570 from fluxcd/ci-release-workflows

ci: various workflow changes

.github/workflows/cifuzz.yaml

@@ -1,8 +1,7 @@
 name: fuzz
 on:
   pull_request:
-    branches:
-      - main
+    branches: [ 'main', 'release/**' ]
 
 permissions:
   contents: read # for actions/checkout to fetch code

.github/workflows/e2e.yaml

@@ -2,8 +2,7 @@ name: e2e
 on:
   pull_request:
   push:
-    branches:
-      - main
+    branches: [ 'main', 'release/**' ]
 
 permissions:
   contents: read # for actions/checkout to fetch code
@@ -37,7 +36,9 @@ jobs:
       - name: Setup Kubernetes
         uses: helm/kind-action@fa81e57adff234b2908110485695db0f181f3c67 # v1.7.0
         with:
+          version: v0.20.0
           cluster_name: kind
+          node_image: kindest/node:v1.27.3@sha256:3966ac761ae0136263ffdb6cfd4db23ef8a83cba8a463690e98317add2c9ba72
       - name: Setup Kustomize
         uses: fluxcd/pkg/actions/kustomize@main
       - name: Run tests

.github/workflows/release.yml

@@ -7,7 +7,7 @@ on:
     inputs:
       tag:
         description: 'image tag prefix'
-        default: 'rc'
+        default: 'preview'
         required: true
 
 permissions:

.github/workflows/scan.yml

@@ -2,9 +2,9 @@ name: scan
 
 on:
   push:
-    branches: [ main ]
+    branches: [ 'main', 'release/**' ]
   pull_request:
-    branches: [ main ]
+    branches: [ 'main', 'release/**' ]
   schedule:
     - cron: '18 10 * * 3'