update to Go 1.25, drop Go 1.23 (#50)

Author: marten-seemann

.github/workflows/integration.yml

@@ -6,7 +6,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ "ubuntu" ]
-        go: [ "1.23.x", "1.24.x" ]
+        go: [ "1.24.x", "1.25.x" ]
     runs-on: ${{ fromJSON(vars[format('INTEGRATION_RUNNER_{0}', matrix.os)] || format('"{0}-latest"', matrix.os)) }}
     name: Integration tests (${{ matrix.os}}, Go ${{ matrix.go }})
     steps:

.github/workflows/lint.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: "1.24.x"
+          go-version: "1.25.x"
       - name: Check for //go:build ignore in .go files
         working-directory: ${{ matrix.module }}
         run: |

.github/workflows/unit.yml

@@ -6,7 +6,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ "ubuntu", "windows", "macos" ]
-        go: [ "1.23.x", "1.24.x" ]
+        go: [ "1.24.x", "1.25.x" ]
     runs-on: ${{ fromJSON(vars[format('UNIT_RUNNER_{0}', matrix.os)] || format('"{0}-latest"', matrix.os)) }}
     name: Unit tests (${{ matrix.os}}, Go ${{ matrix.go }})
     steps:

go.mod

@@ -1,6 +1,6 @@
 module github.com/quic-go/connect-ip-go
 
-go 1.23
+go 1.24
 
 require (
 	github.com/dunglas/httpsfv v1.0.2

go.work

@@ -1,4 +1,4 @@
-go 1.23.0
+go 1.24.0
 
 use (
 	.