From 69d5035c1c5c04d00efb6faac744455ef3f45819 Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Thu, 1 Jan 2026 08:05:33 +0000
Subject: [PATCH] Bump actions/cache from 4 to 5

Bumps [actions/cache](https://github.com/actions/cache) from 4 to 5.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](https://github.com/actions/cache/compare/v4...v5)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
---
 .github/workflows/main.yml | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 25d708a..575d061 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -57,7 +57,7 @@ jobs:
 
       - name: Stan build caching
         # note: not quite working since we use a development branch of Stan
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         id: stan-cache
         with:
           path: ./stan/
@@ -65,7 +65,7 @@ jobs:
 
       # we use the cache here to build the Stan models once for multiple interfaces
       - name: Set up test model cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         id: test-models
         with:
           path: ./test_models/
@@ -95,14 +95,14 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Restore Stan
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         id: stan-cache
         with:
           path: ./stan/
           key: ${{ runner.os }}-stan-${{ hashFiles('stan/src/stan/version.hpp') }}-v${{ env.CACHE_VERSION }}
 
       - name: Restore built models
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         id: test-models
         with:
           path: ./test_models/
@@ -156,13 +156,13 @@ jobs:
             any::posterior
 
       - name: Restore Stan
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ./stan/
           key: ${{ runner.os }}-stan-${{ hashFiles('stan/src/stan/version.hpp') }}-v${{ env.CACHE_VERSION }}
 
       - name: Restore built models
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         id: test-models
         with:
           path: ./test_models/
@@ -205,14 +205,14 @@ jobs:
           channel: ${{ matrix.julia-version }}
 
       - name: Restore Stan
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         id: stan-cache
         with:
           path: ./stan/
           key: ${{ runner.os }}-stan-${{ hashFiles('stan/src/stan/version.hpp') }}-v${{ env.CACHE_VERSION }}
 
       - name: Restore built models
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         id: test-models
         with:
           path: ./test_models/