Merge pull request #19 from matsuyoshi30/fix-go-version

Update README about requirement Go version

Author: matsuyoshi30

.github/workflows/release.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.15
+          go-version: 1.16
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v2
         with:

README.md

@@ -20,6 +20,10 @@ brew install matsuyoshi30/gitsu/gitsu
 go get github.com/matsuyoshi30/gitsu
 ```
 
+#### Requirements
+
+- Go 1.16 ~
+
 ## Usage
 
 ```bash