build: bump golang.org/x/sys in the golang-org group

Bumps the golang-org group with 1 update: [golang.org/x/sys](https://github.com/golang/sys).


Updates `golang.org/x/sys` from 0.35.0 to 0.36.0
- [Commits](golang/sys@v0.35.0...v0.36.0)

---
updated-dependencies:
- dependency-name: golang.org/x/sys
  dependency-version: 0.36.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: golang-org
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

go.mod

@@ -1,12 +1,12 @@
 module github.com/go-git/go-billy/v6
 
 // go-git supports the last 3 stable Go versions.
-go 1.23.0
+go 1.24.0
 
 require (
 	github.com/cyphar/filepath-securejoin v0.4.1
 	github.com/stretchr/testify v1.11.1
-	golang.org/x/sys v0.35.0
+	golang.org/x/sys v0.36.0
 )
 
 require (

go.sum

@@ -6,8 +6,8 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
-golang.org/x/sys v0.35.0 h1:vz1N37gP5bs89s7He8XuIYXpyY0+QlsKmzipCbUtyxI=
-golang.org/x/sys v0.35.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+golang.org/x/sys v0.36.0 h1:KVRy2GtZBrk1cBYA7MKu5bEZFxQk4NIDV6RLVcC8o0k=
+golang.org/x/sys v0.36.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=