build(deps): bump github.com/testcontainers/testcontainers-go/modules/opensearch

Bumps [github.com/testcontainers/testcontainers-go/modules/opensearch](https://github.com/testcontainers/testcontainers-go) from 0.38.0 to 0.39.0.
- [Release notes](https://github.com/testcontainers/testcontainers-go/releases)
- [Commits](https://github.com/testcontainers/testcontainers-go/compare/v0.38.0...v0.39.0)

---
updated-dependencies:
- dependency-name: github.com/testcontainers/testcontainers-go/modules/opensearch
  dependency-version: 0.39.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

vendor/github.com/docker/go-connections/sockets/proxy.go

@@ -9,6 +9,8 @@ import (
 // GetProxyEnv allows access to the uppercase and the lowercase forms of
 // proxy-related variables.  See the Go specification for details on these
 // variables. https://golang.org/pkg/net/http/
+//
+// Deprecated: this function was used as helper for [DialerFromEnvironment] and is no longer used. It will be removed in the next release.
 func GetProxyEnv(key string) string {
 	proxyValue := os.Getenv(strings.ToUpper(key))
 	if proxyValue == "" {
@@ -19,10 +21,11 @@ func GetProxyEnv(key string) string {
 
 // DialerFromEnvironment was previously used to configure a net.Dialer to route
 // connections through a SOCKS proxy.
-// DEPRECATED: SOCKS proxies are now supported by configuring only
+//
+// Deprecated: SOCKS proxies are now supported by configuring only
 // http.Transport.Proxy, and no longer require changing http.Transport.Dial.
-// Therefore, only sockets.ConfigureTransport() needs to be called, and any
-// sockets.DialerFromEnvironment() calls can be dropped.
+// Therefore, only [sockets.ConfigureTransport] needs to be called, and any
+// [sockets.DialerFromEnvironment] calls can be dropped.
 func DialerFromEnvironment(direct *net.Dialer) (*net.Dialer, error) {
 	return direct, nil
 }