Fix test, update matrix to include node@20

Author: steveukx

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
       runs-on: ubuntu-latest
       strategy:
          matrix:
-            node-version: [14, 16, 18, 19]
+            node-version: [14, 16, 18, 20]
       steps:
          - uses: actions/checkout@v3
          - name: Use Node.js ${{ matrix.node-version }}

simple-git/test/unit/log.spec.ts

@@ -55,8 +55,8 @@ describe('log', () => {
          '--follow',
          '--fixed-strings',
          '--',
-         'file2',
-         'index.js'
+         'index.js',
+         'file2'
       );
    });