Test against TypeScript 4.1, not any older version

Author: novemberborn

.github/workflows/ci.yml

@@ -43,7 +43,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ts-version: [~3.7.5, ~3.8, ~3.9, ~4.0, ~4.1]
+        ts-version: [~4.1]
     steps:
       - uses: actions/checkout@v2
         with:

docs/recipes/typescript.md

@@ -4,7 +4,7 @@ Translations: [Español](https://github.com/avajs/ava-docs/blob/master/es_ES/doc
 
 AVA comes bundled with a TypeScript definition file. This allows developers to leverage TypeScript for writing tests.
 
-This guide assumes you've already set up TypeScript for your project. Note that AVA's definition expects at least version 3.7.5.
+This guide assumes you've already set up TypeScript for your project. Note that AVA 3's definition expects at least version 3.7.5. AVA 4 will require at least version 4.1.
 
 ## Enabling AVA's support for TypeScript test files