Update Go version to 1.23 in workflow and go.mod

Author: ad

.github/workflows/release.yml

@@ -12,10 +12,10 @@ jobs:
     name: Build
     runs-on: ubuntu-latest
     steps:
-      - name: Set up Go 1.13
+      - name: Set up Go 1.23
         uses: actions/setup-go@v1
         with:
-          go-version: 1.13
+          go-version: 1.23
 
       - name: Check out source code
         uses: actions/checkout@master

go.mod

@@ -1,6 +1,7 @@
 module github.com/ad/go-githublistener
 
-go 1.22
+go 1.23.0
+
 toolchain go1.24.1
 
 require (