Update module github.com/nginx/nginx-plus-go-client/v2 to v2.4.0 (#1052)

| datasource | package                                  | from   | to     |
| ---------- | ---------------------------------------- | ------ | ------ |
| go         | github.com/nginx/nginx-plus-go-client/v2 | v2.3.0 | v2.4.0 |

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

go.mod

@@ -4,7 +4,7 @@ go 1.24.2
 
 require (
 	github.com/alecthomas/kingpin/v2 v2.4.0
-	github.com/nginx/nginx-plus-go-client/v2 v2.3.0
+	github.com/nginx/nginx-plus-go-client/v2 v2.4.0
 	github.com/prometheus/client_golang v1.22.0
 	github.com/prometheus/common v0.63.0
 	github.com/prometheus/exporter-toolkit v0.14.0
@@ -26,7 +26,7 @@ require (
 	golang.org/x/crypto v0.36.0 // indirect
 	golang.org/x/net v0.38.0 // indirect
 	golang.org/x/oauth2 v0.27.0 // indirect
-	golang.org/x/sync v0.12.0 // indirect
+	golang.org/x/sync v0.13.0 // indirect
 	golang.org/x/sys v0.31.0 // indirect
 	golang.org/x/text v0.23.0 // indirect
 	google.golang.org/protobuf v1.36.5 // indirect

go.sum

@@ -32,8 +32,8 @@ github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
 github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f h1:KUppIJq7/+SVif2QVs3tOP0zanoHgBEVAwHxUSIzRqU=
 github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
-github.com/nginx/nginx-plus-go-client/v2 v2.3.0 h1:ciKh1lwadNzUaOGjLcKWu/BGigASxU6p7v/6US71fhA=
-github.com/nginx/nginx-plus-go-client/v2 v2.3.0/go.mod h1:U7G5pqucUS1V4Uecs1xCsJ9knSsfwqhwu8ZEjoCYnmk=
+github.com/nginx/nginx-plus-go-client/v2 v2.4.0 h1:4c7V57CLCZUOxQCUcS9G8a5MClzdmxByBm+f4zKMzAY=
+github.com/nginx/nginx-plus-go-client/v2 v2.4.0/go.mod h1:P+dIP2oKYzFoyf/zlLWQa8Sf+fHb+CclOKzxAjxpvug=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/prometheus/client_golang v1.22.0 h1:rb93p9lokFEsctTys46VnV1kLCDpVZ0a/Y92Vm0Zc6Q=
@@ -60,8 +60,8 @@ golang.org/x/net v0.38.0 h1:vRMAPTMaeGqVhG5QyLJHqNDwecKTomGeqbnfZyKlBI8=
 golang.org/x/net v0.38.0/go.mod h1:ivrbrMbzFq5J41QOQh0siUuly180yBYtLp+CKbEaFx8=
 golang.org/x/oauth2 v0.27.0 h1:da9Vo7/tDv5RH/7nZDz1eMGS/q1Vv1N/7FCrBhI9I3M=
 golang.org/x/oauth2 v0.27.0/go.mod h1:onh5ek6nERTohokkhCD/y2cV4Do3fxFHFuAejCkRWT8=
-golang.org/x/sync v0.12.0 h1:MHc5BpPuC30uJk597Ri8TV3CNZcTLu6B6z4lJy+g6Jw=
-golang.org/x/sync v0.12.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/sync v0.13.0 h1:AauUjRAJ9OSnvULf/ARrrVywoJDy0YS2AwQ98I37610=
+golang.org/x/sync v0.13.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
 golang.org/x/sys v0.31.0 h1:ioabZlmFYtWhL+TRYpcnNlLwhyxaM9kWTDEmfnprqik=
 golang.org/x/sys v0.31.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
 golang.org/x/text v0.23.0 h1:D71I7dUrlY+VX0gQShAThNGHFxZ13dGLBHQLVl1mJlY=