Merge remote-tracking branch 'origin/main' into update_flake_lock_action

Author: lucperkins

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
       id-token: write
       contents: read
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Check Nixpkgs

.github/workflows/update.yml

@@ -14,7 +14,7 @@ jobs:
       pull-requests: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: DeterminateSystems/determinate-nix-action@v3
       - uses: DeterminateSystems/update-flake-lock@main
         with:

.github/workflows/validate.yml

@@ -9,7 +9,7 @@ jobs:
   validate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Validate YAML