chore(build): update Go dependencies

- honnef.co/go/tools v0.7.0 → v0.8.0-rc.1 (staticcheck)
- golang.org/x/mod v0.31.0 → v0.35.0
- golang.org/x/sync v0.19.0 → v0.20.0
- golang.org/x/tools → v0.44.1-20260420
- gopkg.in/yaml.v3 promoted to direct require

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

go.mod

@@ -2,14 +2,15 @@ module git.k3nny.fr/glint
 
 go 1.26.4
 
+require gopkg.in/yaml.v3 v3.0.1
+
 require (
 	github.com/BurntSushi/toml v1.4.1-0.20240526193622-a339e1f7089c // indirect
 	golang.org/x/exp/typeparams v0.0.0-20231108232855-2478ac86f678 // indirect
-	golang.org/x/mod v0.31.0 // indirect
-	golang.org/x/sync v0.19.0 // indirect
-	golang.org/x/tools v0.40.1-0.20260108161641-ca281cf95054 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
-	honnef.co/go/tools v0.7.0 // indirect
+	golang.org/x/mod v0.35.0 // indirect
+	golang.org/x/sync v0.20.0 // indirect
+	golang.org/x/tools v0.44.1-0.20260420230617-19499e7caabc // indirect
+	honnef.co/go/tools v0.8.0-rc.1 // indirect
 )
 
 tool honnef.co/go/tools/cmd/staticcheck