chore(deps): update github actions to v6

Author: renovate-rancher[bot]

.github/workflows/bump-neuvector.yaml

@@ -12,7 +12,7 @@ jobs:
       pull-requests: write # for updatecli to create a PR
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Install Updatecli in the runner
         uses: updatecli/updatecli-action@57aa8966d4d775cb1420b90c270ba97a4b5abe47 # v2.93.0

.github/workflows/bump-sigstore.yaml

@@ -12,7 +12,7 @@ jobs:
       pull-requests: write # for updatecli to create a PR
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Install Updatecli in the runner
         uses: updatecli/updatecli-action@57aa8966d4d775cb1420b90c270ba97a4b5abe47 # v2.93.0

.github/workflows/release.yml

@@ -18,7 +18,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
     - name: Load Secrets from Vault
       uses: rancher-eio/read-vault-secrets@main
       with:
@@ -79,7 +79,7 @@ jobs:
       id-token: write
     steps:
     - name: Checkout code
-      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
+      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
     - name: Load Secrets from Vault
       uses: rancher-eio/read-vault-secrets@main
       with:

.github/workflows/unitest.yaml

@@ -8,8 +8,8 @@ jobs:
   unitest:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
-    - uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+    - uses: actions/setup-go@7a3fe6cf4cb3a834922a1244abfce67bcef6a0c5 # v6
       with:
         go-version: '1.25.6'
     - run: |