chore(ci): upgrade go version for tests

Author: fallion

.github/workflows/test.yml

@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        go-version: [1.12.x, 1.13.x]
+        go-version: [1.16.x]
 
     steps:
       - name: Install Go
@@ -19,7 +19,6 @@ jobs:
         uses: actions/checkout@v1
       - name: Test
         run: |
-          export PATH=${PATH}:`go env GOPATH`/bin
           go install github.com/magefile/mage
           mage test
   go-mod-tidy:
@@ -29,11 +28,10 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.14.x
+          go-version: 1.16.x
       - name: Check out code into the Go module directory
         uses: actions/checkout@v1
       - name: Tidy check
         run: |
-          export PATH=${PATH}:`go env GOPATH`/bin
           go install github.com/magefile/mage
           mage gomodtidy

go.mod

@@ -1,6 +1,6 @@
 module github.com/aevea/git/v2
 
-go 1.13
+go 1.16
 
 require (
 	github.com/aevea/magefiles v0.0.0-20200424121010-0004d5a7a2fe