Require Julia v1.6 and update CI setup

Author: giordano

.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: "weekly"

.github/workflows/ci.yml

@@ -11,38 +11,44 @@ jobs:
   test:
     name: Julia ${{ matrix.julia-version }} - ${{ matrix.os }} - ${{ matrix.julia-arch }}
     runs-on: ${{ matrix.os }}
+    env:
+      JULIA_NUM_THREADS: auto
     strategy:
       fail-fast: false
       matrix:
         julia-version:
-          - "1.0"
+          - "min"
           - "1"
           - "nightly"
         os:
           - ubuntu-latest
           - macos-latest
         julia-arch:
-          - x64
+          - default
     steps:
-      - uses: actions/checkout@v3
-      - uses: julia-actions/setup-julia@v1
+      - uses: actions/checkout@v6
+      - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.julia-version }}
           arch: ${{ matrix.julia-arch }}
-      - uses: julia-actions/cache@v1
+      - 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@v3
+      - uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: lcov.info
+        continue-on-error: true
 
   Documentation:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: julia-actions/setup-julia@latest
+      - uses: actions/checkout@v6
+      - uses: julia-actions/setup-julia@v2
         with:
           version: 1
-      - uses: julia-actions/cache@v1
+      - uses: julia-actions/cache@v2
         with:
           cache-registries: "true"
       - uses: julia-actions/julia-docdeploy@v1

Project.toml

@@ -7,7 +7,7 @@ version = "1.0"
 StyledStrings = "f489334b-da3d-4c2e-b8f0-e476e12c162b"
 
 [compat]
-julia = "1"
+julia = "1.6"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"