Bump github.com/shirou/gopsutil/v4 from 4.26.2 to 4.26.3

Bumps [github.com/shirou/gopsutil/v4](https://github.com/shirou/gopsutil) from 4.26.2 to 4.26.3.
- [Release notes](https://github.com/shirou/gopsutil/releases)
- [Commits](https://github.com/shirou/gopsutil/compare/v4.26.2...v4.26.3)

---
updated-dependencies:
- dependency-name: github.com/shirou/gopsutil/v4
  dependency-version: 4.26.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/robfig/cron/v3 v3.0.1
 	github.com/sagernet/sing v0.8.3-0.20260315153529-ed51f65fbfde
 	github.com/sagernet/sing-box v1.13.4
-	github.com/shirou/gopsutil/v4 v4.26.2
+	github.com/shirou/gopsutil/v4 v4.26.3
 	golang.zx2c4.com/wireguard/wgctrl v0.0.0-20241231184526-a9ab2273dd10
 	gopkg.in/yaml.v3 v3.0.1
 	gorm.io/driver/sqlite v1.6.0