ci(nf-test): align actions/checkout SHA across pipeline workflows

.github/workflows/nf-test-arm.yml

@@ -40,7 +40,7 @@ jobs:
           rm -rf ./* || true
           rm -rf ./.??* || true
           ls -la ./
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
         with:
           fetch-depth: 0
 
@@ -90,7 +90,7 @@ jobs:
       TOTAL_SHARDS: ${{ needs.nf-test-changes-arm.outputs.total_shards }}
 
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
         with:
           fetch-depth: 0
 

.github/workflows/nf-test-gpu.yml

@@ -37,7 +37,7 @@ jobs:
       total_shards: ${{ steps.set-shards.outputs.total_shards }}
     steps:
       - name: Check out pipeline code
-        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
         with:
           fetch-depth: 0
 
@@ -82,7 +82,7 @@ jobs:
 
     steps:
       - name: Check out pipeline code
-        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
         with:
           fetch-depth: 0
 

CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Enhancements and fixes
 
 - [PR #1844](https://github.com/nf-core/rnaseq/pull/1844) - Bump version to 3.27.0dev after release 3.26.0; flip the MultiQC report links and RO-Crate URL/version back to dev
+- [PR #1848](https://github.com/nf-core/rnaseq/pull/1848) - Align `actions/checkout` SHA in `nf-test-arm.yml` and `nf-test-gpu.yml` with the template-derived `nf-test.yml` (`v6`) ([#1847](https://github.com/nf-core/rnaseq/issues/1847))
 
 ## [[3.26.0](https://github.com/nf-core/rnaseq/releases/tag/3.26.0)] - 2026-05-07