From 0e24aec424630547a02b24e82f30965e638a0f33 Mon Sep 17 00:00:00 2001
From: Allen Byrd <125306425+allenfbyrd@users.noreply.github.com>
Date: Mon, 22 Jun 2026 14:59:59 -0400
Subject: [PATCH] ci: pin GitHub Actions to commit SHAs + add Dependabot

Pin actions to immutable commit SHAs (with # vX comments) to defend against
mutable-tag supply-chain attacks; add/extend a github-actions Dependabot
config so the pins still receive reviewed update PRs.
---
 .github/dependabot.yml       | 6 ++++++
 .github/workflows/pester.yml | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)
 create mode 100644 .github/dependabot.yml

diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..5ace460
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
diff --git a/.github/workflows/pester.yml b/.github/workflows/pester.yml
index 31f0038..26580fe 100644
--- a/.github/workflows/pester.yml
+++ b/.github/workflows/pester.yml
@@ -11,7 +11,7 @@ jobs:
     name: Pester (Windows, no elevation)
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
 
       - name: Install Pester 5
         shell: pwsh