update Go versions now that 1.14 is out

Author: mvdan

.github/workflows/test.yml

@@ -4,7 +4,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.12.x, 1.13.x]
+        go-version: [1.13.x, 1.14.x]
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
     steps:
@@ -26,7 +26,7 @@ jobs:
     - name: Install Go
       uses: actions/setup-go@v1
       with:
-        go-version: 1.13.x
+        go-version: 1.14.x
     - name: Checkout code
       uses: actions/checkout@v2
       with:

README.md

@@ -13,7 +13,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.12.x, 1.13.x]
+        go-version: [1.13.x, 1.14.x]
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
     steps: