[nongnu] elpa/slime 571d2e6258 1/3: Fix CI.

[ELPA Syncer]

branch: elpa/slime
commit 571d2e62585f2212ab2f82611aeb56ecf4295222
Author: Stas Boukarev <stassats@gmail.com>
Commit: Stas Boukarev <stassats@gmail.com>

    Fix CI.
---
 .github/workflows/ci.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b0d7664743..6e1e326a94 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,10 +17,10 @@ jobs:
       fail-fast: false
     steps:
 
-    - uses: cachix/install-nix-action@v20
+    - uses: cachix/install-nix-action@v25
       with:
-        nix_path: nixpkgs=channel:nixos-unstable
-    - uses: purcell/setup-emacs@master
+        nix_path: nixpkgs=channel:nixos-23.11
+    - uses: purcell/setup-emacs@v6.0
       with:
         version: ${{ matrix.emacs_version }}
     - uses: actions/checkout@v2