From 795e97267523e05e424bfccb76c2214ca6ccfcfc Mon Sep 17 00:00:00 2001
From: Eric Ford <eford@psu.edu>
Date: Mon, 10 Jun 2024 16:50:16 -0400
Subject: [PATCH] update actions

---
 .github/workflows/CI.yml | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index e15fd3b..e9cbdd0 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -2,6 +2,14 @@ name: CI
 on:
   - push
   - pull_request
+
+
+
+# needed to allow julia-actions/cache to delete old caches that it has created
+permissions:
+  actions: write
+  contents: read
+
 jobs:
   test:
     name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
@@ -10,18 +18,18 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.5'
+          - '1.9'
         os:
           - ubuntu-latest
         arch:
           - x64
     steps:
-      - uses: actions/checkout@v2
-      - uses: julia-actions/setup-julia@v1
+      - uses: actions/checkout@v4
+      - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
-      - uses: actions/cache@v1
+      - uses: actions/cache@v2
         env:
           cache-name: cache-artifacts
         with:
@@ -41,11 +49,11 @@ jobs:
     name: Documentation
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: julia-actions/setup-julia@v1
+      - uses: actions/checkout@v4
+      - uses: julia-actions/setup-julia@v2
         with:
           version: '1'
-      - uses: actions/cache@v1
+      - uses: actions/cache@v2
         env:
           cache-name: cache-artifacts
         with: