Update minimum Go version to 1.24

Update Go version requirements from 1.23 to 1.24 minimum. This change
updates go.mod, golangci-lint configuration, and GitHub Actions matrix
to test against Go 1.24 and 1.25 instead of 1.23 and 1.24.

Author: oschwald

.github/workflows/go.yml

@@ -8,7 +8,7 @@ jobs:
     name: Build
     strategy:
       matrix:
-        go-version: [1.23, 1.24]
+        go-version: [1.24, 1.25]
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
     steps:

.golangci.yml

@@ -1,6 +1,6 @@
 version: "2"
 run:
-  go: "1.23"
+  go: "1.24"
   tests: true
   allow-parallel-runners: true
 linters:

go.mod

@@ -1,6 +1,6 @@
 module github.com/oschwald/maxminddb-golang/v2
 
-go 1.23.0
+go 1.24
 
 require (
 	github.com/stretchr/testify v1.10.0