build(deps): bump golang.org/x/sync from 0.16.0 to 0.17.0

Bumps [golang.org/x/sync](https://github.com/golang/sync) from 0.16.0 to 0.17.0.
- [Commits](https://github.com/golang/sync/compare/v0.16.0...v0.17.0)

---
updated-dependencies:
- dependency-name: golang.org/x/sync
  dependency-version: 0.17.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

go.mod

@@ -1,8 +1,6 @@
 module github.com/safing/portmaster
 
-go 1.24
-
-toolchain go1.24.0
+go 1.24.0
 
 require (
 	github.com/VictoriaMetrics/metrics v1.35.1
@@ -66,7 +64,7 @@ require (
 	golang.org/x/exp v0.0.0-20240808152545-0cdaa3abc0fa
 	golang.org/x/image v0.19.0
 	golang.org/x/net v0.43.0
-	golang.org/x/sync v0.16.0
+	golang.org/x/sync v0.17.0
 	golang.org/x/sys v0.35.0
 	gopkg.in/yaml.v3 v3.0.1
 	modernc.org/sqlite v1.32.0