fix(deps): update module google.golang.org/grpc to v1.66.1

| datasource | package                | from    | to      |
| ---------- | ---------------------- | ------- | ------- |
| go         | google.golang.org/grpc | v1.66.0 | v1.66.1 |


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

go.mod

@@ -3,7 +3,7 @@ module github.com/cloudnative-pg/cnpg-i
 go 1.21
 
 require (
-	google.golang.org/grpc v1.66.0
+	google.golang.org/grpc v1.66.1
 	google.golang.org/protobuf v1.34.2
 )
 

go.sum

@@ -8,7 +8,7 @@ golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
 golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20240604185151-ef581f913117 h1:1GBuWVLM/KMVUv1t1En5Gs+gFZCNd360GGb4sSxtrhU=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20240604185151-ef581f913117/go.mod h1:EfXuqaE1J41VCDicxHzUDm+8rk+7ZdXzHV0IhO/I6s0=
-google.golang.org/grpc v1.66.0 h1:DibZuoBznOxbDQxRINckZcUvnCEvrW9pcWIE2yF9r1c=
-google.golang.org/grpc v1.66.0/go.mod h1:s3/l6xSSCURdVfAnL+TqCNMyTDAGN6+lZeVxnZR128Y=
+google.golang.org/grpc v1.66.1 h1:hO5qAXR19+/Z44hmvIM4dQFMSYX9XcWsByfoxutBpAM=
+google.golang.org/grpc v1.66.1/go.mod h1:s3/l6xSSCURdVfAnL+TqCNMyTDAGN6+lZeVxnZR128Y=
 google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
 google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=