From c2cae8be6382947281b978a6a4fad0fde50f3f44 Mon Sep 17 00:00:00 2001
From: Damien Baty <damien@damienbaty.com>
Date: Sat, 19 Sep 2026 12:36:03 +0200
Subject: [PATCH 1/3] ci: Update and pin actions in codeql workflow

---
 .github/workflows/codeql.yml | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index c9232c711..a54d3b6f4 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -24,18 +24,18 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v2
+        uses: github/codeql-action/init@1c5b675653bb5c22dbe9b12b556ec555138e09fd # v4.38.1
         with:
           languages: ${{ matrix.language }}
           queries: +security-and-quality
 
       - name: Autobuild
-        uses: github/codeql-action/autobuild@v2
+        uses: github/codeql-action/autobuild@1c5b675653bb5c22dbe9b12b556ec555138e09fd # v4.38.1
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v2
+        uses: github/codeql-action/analyze@1c5b675653bb5c22dbe9b12b556ec555138e09fd # v4.38.1
         with:
           category: "/language:${{ matrix.language }}"

From c52f7eda7c54cadcddc08217d56ee84ec4fde1f0 Mon Sep 17 00:00:00 2001
From: Damien Baty <damien@damienbaty.com>
Date: Sat, 19 Sep 2026 12:39:39 +0200
Subject: [PATCH 2/3] ci: Update and pin actions in codex-review workflow

---
 .github/workflows/codex-review.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/codex-review.yml b/.github/workflows/codex-review.yml
index ee0cdc81b..3c06690b4 100644
--- a/.github/workflows/codex-review.yml
+++ b/.github/workflows/codex-review.yml
@@ -40,7 +40,7 @@ jobs:
 
       - name: Run Codex review
         id: run_codex
-        uses: openai/codex-action@v1
+        uses: openai/codex-action@86365089eb2b84e0a8fb0717b304f8bdcb13b20e # v1.12
         env:
           # Use env variables to handle untrusted metadata safely
           PR_TITLE: ${{ github.event.pull_request.title }}
@@ -75,7 +75,7 @@ jobs:
 
     steps:
       - name: Post Codex review as PR comment
-        uses: actions/github-script@v8
+        uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0
         env:
           CODEX_FINAL_MESSAGE: |
             ${{ format('## Codex Review

From 6a9106c7e664b75d96d8e360d9637db992f5d396 Mon Sep 17 00:00:00 2001
From: Damien Baty <damien@damienbaty.com>
Date: Sat, 19 Sep 2026 12:43:56 +0200
Subject: [PATCH 3/3] quality: Add Dependabot configuration

Only GitHub actions for now [1], with a 5-day cooldown [2] to avoid
installing very a recently released action that contains malware (or
regression bugs).

[1] I'd like to discuss about Python dependencies first, before we
enable Dependabot for them.

[2] https://docs.github.com/en/code-security/reference/supply-chain-security/dependabot-options-reference#cooldown-
---
 .github/dependabot.yml | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 .github/dependabot.yml

diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 000000000..592e80500
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,8 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    cooldown:
+      default-days: 5