ci: improve github workflows

.github/dependabot.yml

@@ -17,6 +17,15 @@
 
 version: 2
 updates:
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "sunday"
+    cooldown:
+      default-days: 7
+
   # Maintain dependencies for iceberg
   - package-ecosystem: "cargo"
     directory: "/"
@@ -35,3 +44,5 @@ updates:
         patterns:
           - "arrow*"
           - "parquet"
+    cooldown:
+      default-days: 7

.github/workflows/asf-allowlist-check.yml

@@ -0,0 +1,47 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+# Verifies all GitHub Actions refs are on the ASF allowlist.
+# Actions not on the allowlist silently fail with "Startup failure" — no logs,
+# no notifications, and PRs may appear green because no checks ran.
+# See https://github.com/apache/infrastructure-actions/issues/574
+name: "ASF Allowlist Check"
+
+on:
+  pull_request:
+    paths:
+      - ".github/**"
+  push:
+    branches:
+      - main
+    paths:
+      - ".github/**"
+
+permissions:
+  contents: read
+
+jobs:
+  asf-allowlist-check:
+    runs-on: ubuntu-24.04
+    steps:
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      with:
+        persist-credentials: false
+    # Intentionally unpinned to always use the latest allowlist from the ASF.
+    - uses: apache/infrastructure-actions/allowlist-check@main # zizmor: ignore[unpinned-uses]

.github/workflows/ci.yml

@@ -97,7 +97,7 @@ jobs:
         uses: ./.github/actions/setup-builder
 
       - name: Cache Rust artifacts
-        uses: Swatinem/rust-cache@v2
+        uses: swatinem/rust-cache@v2
 
       - name: Install protoc
         uses: arduino/setup-protoc@v3
@@ -123,7 +123,7 @@ jobs:
         uses: ./.github/actions/setup-builder
 
       - name: Cache Rust artifacts
-        uses: Swatinem/rust-cache@v2
+        uses: swatinem/rust-cache@v2
 
       - name: Build
         run: cargo build -p iceberg --no-default-features
@@ -149,7 +149,7 @@ jobs:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Cache Rust artifacts
-        uses: Swatinem/rust-cache@v2
+        uses: swatinem/rust-cache@v2
         with:
           key: ${{ matrix.test-suite.name }}
 

.github/workflows/codeql.yml

@@ -41,14 +41,16 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v6
+      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      with:
+        persist-credentials: false
 
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v4
+      uses: github/codeql-action/init@d4b3ca9fa7f69d38bfcd667bdc45bc373d16277e # v4
       with:
         languages: actions
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v4
+      uses: github/codeql-action/analyze@d4b3ca9fa7f69d38bfcd667bdc45bc373d16277e # v4
       with:
         category: "/language:actions"