Merge pull request #2 from peterfpeterson/switch_default

Switch default branch from master to main

.github/workflows/go.yml

@@ -2,21 +2,21 @@ name: Go
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
 
 jobs:
 
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Set up Go
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@v5
       with:
-        go-version: 1.20
+        go-version-file: './go.mod'
 
     - name: Build
       run: go build -v ./...