[gnu] externals/relint 04515f5ffd: Github CI: upgrade actions/checkout from v5 to v6

[ELPA Syncer]

branch: externals/relint
commit 04515f5ffd2b0e4d8e638fbcd0af8954b8113d9b
Author: Mattias Engdegård <mattias.engdeg...@gmail.com>
Commit: Mattias Engdegård <mattias.engdeg...@gmail.com>

    Github CI: upgrade actions/checkout from v5 to v6
---
 .github/workflows/test.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d474186676..2f902a2b77 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -28,12 +28,12 @@ jobs:
           version: ${{matrix.emacs_version}}
 
       - name: Check out relint
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           path: relint
 
       - name: Check out xr
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: mattiase/xr
           path: xr