Update actions and go version

.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: '1.22'
 
     - name: Vet
       run: go vet ./...
@@ -28,6 +28,6 @@ jobs:
       run: go test -v ./... -coverprofile=coverage.txt -covermode=atomic
 
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v1
+      uses: codecov/codecov-action@v4
       with:
         files: coverage.txt

.github/workflows/golangci-lint.yaml

@@ -15,7 +15,7 @@ jobs:
     name: lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v2
+        uses: golangci/golangci-lint-action@v4

go.mod

@@ -1,3 +1,3 @@
 module github.com/gammazero/radixtree
 
-go 1.18
+go 1.20