Update Go version to 1.24.0 to match reference repos

Co-authored-by: nomeguy <85475922+nomeguy@users.noreply.github.com>

Author: Copilot

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: '1.23.0'
+          go-version: '1.24.0'
 
       - uses: actions/checkout@v4
       - name: Run Unit tests

go.mod

@@ -1,6 +1,6 @@
 module github.com/casbin/redis-watcher/v2
 
-go 1.18
+go 1.24.0
 
 require (
 	github.com/casbin/casbin/v2 v2.66.1

go.sum

@@ -1,7 +1,9 @@
 github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible h1:1G1pk05UrOh0NlF1oeaaix1x8XzrfjIDK47TY0Zehcw=
 github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
 github.com/bsm/ginkgo/v2 v2.7.0 h1:ItPMPH90RbmZJt5GtkcNvIRuGEdwlBItdNVoyzaNQao=
+github.com/bsm/ginkgo/v2 v2.7.0/go.mod h1:AiKlXPm7ItEHNc/2+OkrNG4E0ITzojb9/xWzvQ9XZ9w=
 github.com/bsm/gomega v1.26.0 h1:LhQm+AFcgV2M0WyKroMASzAzCAJVpAxQXv4SaI9a69Y=
+github.com/bsm/gomega v1.26.0/go.mod h1:JyEr/xRbxbtgWNi8tIEVPUYZ5Dzef52k01W3YH0H+O0=
 github.com/casbin/casbin/v2 v2.66.1 h1:HOFlZYTUYx8ktgv5fLNFo6hr4K18ogGFq/lnYXv1OfA=
 github.com/casbin/casbin/v2 v2.66.1/go.mod h1:vByNa/Fchek0KZUgG5wEsl7iFsiviAYKRtgrQfcJqHg=
 github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=