Update CI for Julia 1.4 (#793)

* Update ci.yml for Julia 1.4
* Update benchmark.yml

Author: andyferris

.github/workflows/benchmark.yml

@@ -10,7 +10,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: julia-actions/setup-julia@latest
         with:
-          version: 1.3
+          version: 1.4
       - name: Install dependencies
         run: julia -e 'using Pkg; pkg"add PkgBenchmark BenchmarkCI@0.1"'
       - name: Run benchmarks

.github/workflows/ci.yml

@@ -17,6 +17,7 @@ jobs:
           - '1.1'
           - '1.2'
           - '1.3'
+          - '1.4'
           - 'nightly'
         os:
           - ubuntu-latest
@@ -33,8 +34,10 @@ jobs:
           # Don't test on all versions
           - {os: 'macOS-latest', version: '1.1'}
           - {os: 'macOS-latest', version: '1.2'}
+          - {os: 'macOS-latest', version: '1.3'}
           - {os: 'windows-latest', version: '1.1'}
           - {os: 'windows-latest', version: '1.2'}
+          - {os: 'windows-latest', version: '1.3'}
     steps:
       - uses: actions/checkout@v1
       - uses: julia-actions/setup-julia@latest
@@ -53,7 +56,7 @@ jobs:
       - uses: actions/checkout@v1
       - uses: julia-actions/setup-julia@latest
         with:
-          version: '1.3'
+          version: '1.4'
       - run: julia --project=docs -e '
           using Pkg;
           Pkg.develop(PackageSpec(; path=pwd()));