Bump Go to version 1.23

Author: riobard

.github/workflows/build.yml

@@ -6,7 +6,7 @@ jobs:
     steps:
     - uses: actions/setup-go@v2
       with:
-        go-version: 1.16
+        go-version: 1.23
     - uses: actions/checkout@v2
     - run: make -j all
     - run: make -j test

.github/workflows/release.yml

@@ -9,7 +9,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-go@v2
         with:
-          go-version: 1.16
+          go-version: 1.23
       - run: make -j upload
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

go.mod

@@ -1,8 +1,10 @@
 module github.com/shadowsocks/go-shadowsocks2
 
-go 1.16
+go 1.23
 
 require (
 	github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3
 	golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83
 )
+
+require golang.org/x/sys v0.0.0-20191026070338-33540a1f6037 // indirect