Update actions scripts

Author: jishnub

.github/workflows/ci.yml

@@ -43,6 +43,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
+          - 'min'
           - 'lts'
           - '1'
           - 'pre'
@@ -51,7 +52,7 @@ jobs:
           - macOS-latest
           - windows-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
@@ -61,4 +62,4 @@ jobs:
       - uses: julia-actions/julia-processcoverage@v1
       - uses: codecov/codecov-action@v5
         with:
-          file: lcov.info
+          files: lcov.info

.github/workflows/downstream.yml

@@ -37,20 +37,20 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        julia-version: [1, 1.6]
+        julia-version: [1, 'min']
         os: [ubuntu-latest]
         package:
           - {repo: ApproxFun.jl, group: JuliaApproximation}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.julia-version }}
           arch: x64
       - uses: julia-actions/julia-buildpkg@latest
       - name: Clone Downstream
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           repository: ${{ matrix.package.group }}/${{ matrix.package.repo }}
           path: downstream