Bump julia-actions/setup-julia from 2 to 3 (#363)

* Bump julia-actions/setup-julia from 2 to 3

Bumps [julia-actions/setup-julia](https://github.com/julia-actions/setup-julia) from 2 to 3.
- [Release notes](https://github.com/julia-actions/setup-julia/releases)
- [Commits](julia-actions/setup-julia@v2...v3)

---
updated-dependencies:
- dependency-name: julia-actions/setup-julia
  dependency-version: '3'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

* update dependabot

* remove CompatHelper

* update documentation workflow

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: lkdvos <ldevos98@gmail.com>

Author: dependabot[bot]

.github/dependabot.yml

@@ -1,7 +1,14 @@
-# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
 version: 2
 updates:
   - package-ecosystem: "github-actions"
-    directory: "/" # Location of package manifests
+    directory: "/"
     schedule:
-      interval: "weekly"
+      interval: "weekly"
+  - package-ecosystem: "julia"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    groups: # uncomment to group all julia package updates into a single PR
+      all-julia-packages:
+        patterns:
+          - "*"

.github/workflows/CompatHelper.yml

@@ -16,24 +16,15 @@ on:
 
 jobs:
   build:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        version:
-          - '1'
-        os:
-          - ubuntu-latest
-        arch:
-          - x64
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@latest
         with:
-          version: ${{ matrix.version }}
-          arch: ${{ matrix.arch }}
+          version: 1
       - name: Install dependencies
         run: julia --project=docs/ -e 'using Pkg; Pkg.develop(PackageSpec(path=pwd())); Pkg.instantiate()'
       - name: Build and deploy
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # For authentication with GitHub Actions token
-        run: julia --project=docs/ docs/make.jl
+        run: julia --project=docs/ docs/make.jl