bump ci version

Author: GiggleLiu

.github/workflows/CI.yml

@@ -19,12 +19,12 @@ jobs:
         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:
@@ -47,8 +47,8 @@ jobs:
       contents: write
       statuses: write
     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: julia-actions/julia-buildpkg@v1
@@ -60,4 +60,4 @@ jobs:
             using Documenter: DocMeta, doctest
             using ZXCalculus
             DocMeta.setdocmeta!(ZXCalculus, :DocTestSetup, :(using ZXCalculus); recursive=true)
-            doctest(ZXCalculus)'
+            doctest(ZXCalculus)'