Bump actions/checkout from 4 to 5 (#298)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Kevin Yu <[email protected]>

Author: dependabot[bot]

.github/workflows/issue_commands.yml

@@ -15,7 +15,7 @@ jobs:
       id-token: write
     steps:
       - name: Checkout Actions
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           repository: "grafana/grafana-github-actions"
           path: ./actions

.github/workflows/push.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        uses: actions/checkout@v5
 
       - name: Setup
         uses: grafana/plugin-ci-workflows/actions/plugins/setup@main # zizmor: ignore[unpinned-uses]