chore(deps): bump golang.org/x/net from 0.37.0 to 0.39.0 (#1067)

Bumps [golang.org/x/net](https://github.com/golang/net) from 0.37.0 to 0.39.0.
- [Commits](https://github.com/golang/net/compare/v0.37.0...v0.39.0)

---
updated-dependencies:
- dependency-name: golang.org/x/net
  dependency-version: 0.39.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -1,6 +1,7 @@
 module github.com/TwiN/gatus/v5
 
 go 1.24.1
+
 require (
 	code.gitea.io/sdk/gitea v0.19.0
 	github.com/TwiN/deepmerge v0.2.2
@@ -21,8 +22,8 @@ require (
 	github.com/prometheus/client_golang v1.21.1
 	github.com/valyala/fasthttp v1.58.0
 	github.com/wcharczuk/go-chart/v2 v2.1.2
-	golang.org/x/crypto v0.36.0
-	golang.org/x/net v0.37.0
+	golang.org/x/crypto v0.37.0
+	golang.org/x/net v0.39.0
 	golang.org/x/oauth2 v0.28.0
 	google.golang.org/api v0.228.0
 	gopkg.in/mail.v2 v2.3.1
@@ -73,9 +74,9 @@ require (
 	go.opentelemetry.io/otel/trace v1.34.0 // indirect
 	golang.org/x/image v0.18.0 // indirect
 	golang.org/x/mod v0.23.0 // indirect
-	golang.org/x/sync v0.12.0 // indirect
-	golang.org/x/sys v0.31.0 // indirect
-	golang.org/x/text v0.23.0 // indirect
+	golang.org/x/sync v0.13.0 // indirect
+	golang.org/x/sys v0.32.0 // indirect
+	golang.org/x/text v0.24.0 // indirect
 	golang.org/x/tools v0.30.0 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20250313205543-e70fdf4c4cb4 // indirect
 	google.golang.org/grpc v1.71.0 // indirect