Use GitHub actions from fluxcd/pkg@main

As `master` was replaced with `main`.

Author: hiddeco

.github/workflows/e2e.yaml

@@ -26,11 +26,11 @@ jobs:
       - name: Setup Kubernetes
         uses: engineerd/[email protected]
       - name: Setup Kustomize
-        uses: fluxcd/pkg/actions/kustomize@master
+        uses: fluxcd/pkg/actions/kustomize@main
       - name: Setup Kubebuilder
-        uses: fluxcd/pkg/actions/kubebuilder@master
+        uses: fluxcd/pkg/actions/kubebuilder@main
       - name: Setup Helm
-        uses: fluxcd/pkg/actions/helm@master
+        uses: fluxcd/pkg/actions/helm@main
       - name: Run tests
         run: make test
         env:

.github/workflows/release.yml

@@ -10,7 +10,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Setup Kustomize
-        uses: fluxcd/pkg/actions/kustomize@master
+        uses: fluxcd/pkg/actions/kustomize@main
       - name: Prepare
         id: prep
         run: |