From 247b0d7620947989d3b72dd910239ad5e67fdd24 Mon Sep 17 00:00:00 2001
From: Dan Fiedler <danfiedler@microsoft.com>
Date: Sun, 23 Aug 2026 23:03:00 -0400
Subject: [PATCH] Pin GitHub Actions to full-length commit SHAs

---
 .github/dependabot.yml     | 11 +++++++++++
 .github/workflows/lint.yml |  4 ++--
 2 files changed, 13 insertions(+), 2 deletions(-)
 create mode 100644 .github/dependabot.yml

diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 000000000..2c48305b7
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,11 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    groups:
+      github-actions:
+        patterns: ["*"]
+    schedule:
+      interval: "weekly"
+    cooldown:
+      default-days: 7
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index b6629cddc..2469bbcdb 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -15,9 +15,9 @@ jobs:
     runs-on: "ubuntu-latest"
     steps:
       - name: "Checkout Repository"
-        uses: actions/checkout@v3
+        uses: actions/checkout@a37ce9120846195fa4ece8f58b268e6043cb2f26 # v3.7.0
       - name: Install Conda environment from environment-dev.yml
-        uses: mamba-org/setup-micromamba@v1
+        uses: mamba-org/setup-micromamba@4b9113af4fba0e9e1124b252dd6497a419e7396d # v1.11.0
         with:
           environment-file: environment-dev.yml
       - name: "Run black lint"