fix: adds 2 http retries to humanitec client requests

go.mod

@@ -13,6 +13,7 @@ require (
 	github.com/hashicorp/terraform-plugin-log v0.9.0
 	github.com/hashicorp/terraform-plugin-sdk/v2 v2.34.0
 	github.com/humanitec/humanitec-go-autogen v0.0.0-20240620130303-6979d29fd1fa
+	github.com/justinrixx/retryhttp v1.0.1
 	github.com/stretchr/testify v1.9.0
 	sigs.k8s.io/yaml v1.4.0
 )

go.sum

@@ -136,6 +136,8 @@ github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99/go.mod h1:1lJo3i
 github.com/jhump/protoreflect v1.15.1 h1:HUMERORf3I3ZdX05WaQ6MIpd/NJ434hTp5YiKgfCL6c=
 github.com/jhump/protoreflect v1.15.1/go.mod h1:jD/2GMKKE6OqX8qTjhADU1e6DShO+gavG9e0Q693nKo=
 github.com/juju/gnuflag v0.0.0-20171113085948-2ce1bb71843d/go.mod h1:2PavIy+JPciBPrBUjwbNvtwB6RQlve+hkpll6QSNmOE=
+github.com/justinrixx/retryhttp v1.0.1 h1:hTCOBTOcmzR3/W7weMB2YBOl1LlQrqVPIZPAf40p+14=
+github.com/justinrixx/retryhttp v1.0.1/go.mod h1:vGs79/0Ut0//fmOGS9HAgI/IbZS6oFV3jFOTCxGEXt0=
 github.com/kevinburke/ssh_config v1.2.0 h1:x584FjTGwHzMwvHx18PXxbBVzfnxogHaAReU4gf13a4=
 github.com/kevinburke/ssh_config v1.2.0/go.mod h1:CT57kijsi8u/K/BOFA39wgDQJ9CxiF4nAY/ojJ6r6mM=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=

internal/provider/provider.go

@@ -11,6 +11,8 @@ import (
 	"github.com/hashicorp/terraform-plugin-framework/provider/schema"
 	"github.com/hashicorp/terraform-plugin-framework/resource"
 	"github.com/hashicorp/terraform-plugin-framework/types"
+	"github.com/justinrixx/retryhttp"
+
 	"github.com/humanitec/humanitec-go-autogen"
 )
 
@@ -177,9 +179,10 @@ func (p *HumanitecProvider) Configure(ctx context.Context, req provider.Configur
 		}
 		doer = &http.Client{Transport: tr}
 	} else {
-		doer = &http.Client{}
+		doer = &http.Client{Transport: http.DefaultTransport}
 	}
 
+	doer.Transport = retryhttp.New(retryhttp.WithTransport(doer.Transport))
 	client, err := NewHumanitecClient(apiPrefix, token, p.version, doer)
 	if err != nil {
 		resp.Diagnostics.AddError("Unable to create Humanitec client", err.Error())