Update module golang.org/x/sync to v0.16.0

Reviewed-on: https://git.front.kjuulh.io/kjuulh/byg/pulls/1

README.md

@@ -0,0 +1,9 @@
+# Byg
+
+`Byg` (Danish for `build`), is a data-structure designed for a composing
+pipelines, it is in a very rough state, and changes according to the needs to
+`kjuulh/bust`
+
+## Examples
+
+See `examples` for example pipelines.

go.mod

@@ -1,5 +1,7 @@
 module git.front.kjuulh.io/kjuulh/byg
 
-go 1.19
+go 1.23.0
 
-require golang.org/x/sync v0.1.0
+toolchain go1.24.5
+
+require golang.org/x/sync v0.16.0

go.sum

@@ -1,2 +1,4 @@
 golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.16.0 h1:ycBJEhp9p4vXvUZNszeOq0kGTPghopOL8q0fq3vstxw=
+golang.org/x/sync v0.16.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=

renovate.json

@@ -0,0 +1,3 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json"
+}