Create dependabot.yml and update action versions

.github/dependabot.yml

@@ -0,0 +1,7 @@
+# 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
+    schedule:
+      interval: "monthly"

.github/workflows/BuildDocs.yml

@@ -6,14 +6,18 @@ jobs:
   BuildDocs:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: julia-actions/setup-julia@latest
+      - uses: actions/checkout@v5
+      - uses: julia-actions/setup-julia@v2
         with:
           version: '1.6'
       - name: Install dependencies
-        run: julia --project=docs/ -e 'using Pkg; Pkg.develop(PackageSpec(path=pwd()));                             Pkg.instantiate()'
+        shell: julia --project=docs/ --color=yes {0}
+        run: |
+          using Pkg
+          Pkg.develop(PackageSpec(path=pwd()))
+          Pkg.instantiate()
       - name: Build Docs
-        run: julia --project=docs/ docs/make.jl
+        run: julia --project=docs/ --color=yes docs/make.jl
       - name: Deploy Documentation
         if: ${{ (github.ref == 'refs/heads/main' && github.repository == 'Symengine/symengine.jl') || (github.ref == 'refs/heads/master' && github.repository == 'Symengine/symengine.jl')}}
         uses: peaceiris/actions-gh-pages@v3

.github/workflows/CompatHelper.yml

@@ -3,14 +3,40 @@ on:
   schedule:
     - cron: '00 00 * * *'
   workflow_dispatch:
+permissions:
+  contents: write
+  pull-requests: write
 jobs:
   CompatHelper:
     runs-on: ubuntu-latest
     steps:
-      - name: Pkg.add("CompatHelper")
-        run: julia -e 'using Pkg; Pkg.add("CompatHelper")'
-      - name: CompatHelper.main()
+      - name: Check if Julia is already available in the PATH
+        id: julia_in_path
+        run: which julia
+        continue-on-error: true
+      - name: Install Julia, but only if it is not already available in the PATH
+        uses: julia-actions/setup-julia@v2
+        with:
+          version: '1'
+          arch: ${{ runner.arch }}
+        if: steps.julia_in_path.outcome != 'success'
+      - name: "Add the General registry via Git"
+        shell: julia --color=yes {0}
+        run: |
+          import Pkg
+          ENV["JULIA_PKG_SERVER"] = ""
+          Pkg.Registry.add("General")
+      - name: "Install CompatHelper"
+        shell: julia --color=yes {0}
+        run: |
+          import Pkg
+          name = "CompatHelper"
+          uuid = "aa819f21-2bde-4658-8897-bab36330d9b7"
+          version = "3"
+          Pkg.add(; name, uuid, version)
+      - name: Run CompatHelper
+        shell: julia --color=yes {0}
+        run: using CompatHelper; CompatHelper.main()
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           COMPATHELPER_PRIV: ${{ secrets.DOCUMENTER_KEY }}  # optional
-        run: julia -e 'using CompatHelper; CompatHelper.main()'

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.6' # minimum version set in Project.toml
+          - 'min' # minimum version set in Project.toml
           - '1'   # latest 1.x.y
           # - 'nightly'
         os:
@@ -28,32 +28,23 @@ jobs:
         arch:
           - x64
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
-      - uses: actions/cache@v4
-        env:
-          cache-name: cache-artifacts
-        with:
-          path: ~/.julia/artifacts
-          key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
-          restore-keys: |
-            ${{ runner.os }}-test-${{ env.cache-name }}-
-            ${{ runner.os }}-test-
-            ${{ runner.os }}-
+      - uses: julia-actions/cache@v2
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
       - uses: julia-actions/julia-processcoverage@v1
       - uses: codecov/codecov-action@v5
         with:
-          file: ./lcov.info
+          files: ./lcov.info
           flags: unittests
           name: codecov-umbrella
           fail_ci_if_error: false
           token: ${{ secrets.CODECOV_TOKEN }}
-      - uses: coverallsapp/github-action@master
+      - uses: coverallsapp/github-action@v2
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           flag-name: run-${{ matrix.version }}-${{ matrix.os }}-${{ matrix.arch }}