[chore][receiver/datadogreceiver] use errors.Join instead of go.uber.…

…org/multierr (open-telemetry#32509)

**Description:** <Describe what has changed.>
use errors.Join instead of go.uber.org/multierr

**Link to tracking Issue:** <Issue number if applicable>
open-telemetry#25121 

**Testing:** <Describe what testing was performed and which tests were
added.>

**Documentation:** <Describe the documentation added.>

Co-authored-by: Juraci Paixão Kröhling <juraci@kroehling.de>

receiver/datadogreceiver/go.mod

@@ -17,7 +17,6 @@ require (
 	go.opentelemetry.io/otel/metric v1.26.0
 	go.opentelemetry.io/otel/trace v1.26.0
 	go.uber.org/goleak v1.3.0
-	go.uber.org/multierr v1.11.0
 	google.golang.org/protobuf v1.34.1
 )
 
@@ -68,6 +67,7 @@ require (
 	go.opentelemetry.io/otel/exporters/prometheus v0.48.0 // indirect
 	go.opentelemetry.io/otel/sdk v1.26.0 // indirect
 	go.opentelemetry.io/otel/sdk/metric v1.26.0 // indirect
+	go.uber.org/multierr v1.11.0 // indirect
 	go.uber.org/zap v1.27.0 // indirect
 	golang.org/x/net v0.24.0 // indirect
 	golang.org/x/sys v0.19.0 // indirect

receiver/datadogreceiver/receiver_test.go

@@ -5,6 +5,7 @@ package datadogreceiver
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -16,7 +17,6 @@ import (
 	"go.opentelemetry.io/collector/component/componenttest"
 	"go.opentelemetry.io/collector/consumer/consumertest"
 	"go.opentelemetry.io/collector/receiver/receivertest"
-	"go.uber.org/multierr"
 )
 
 func TestDatadogReceiver_Lifecycle(t *testing.T) {
@@ -81,7 +81,7 @@ func TestDatadogServer(t *testing.T) {
 			require.NoError(t, err, "Must not error performing request")
 
 			actual, err := io.ReadAll(resp.Body)
-			require.NoError(t, multierr.Combine(err, resp.Body.Close()), "Must not error when reading body")
+			require.NoError(t, errors.Join(err, resp.Body.Close()), "Must not error when reading body")
 
 			assert.Equal(t, tc.expectContent, string(actual))
 			assert.Equal(t, tc.expectCode, resp.StatusCode, "Must match the expected status code")

receiver/datadogreceiver/translator.go

@@ -7,6 +7,7 @@ import (
 	"bytes"
 	"encoding/binary"
 	"encoding/json"
+	"errors"
 	"io"
 	"mime"
 	"net/http"
@@ -18,7 +19,6 @@ import (
 	"go.opentelemetry.io/collector/pdata/pcommon"
 	"go.opentelemetry.io/collector/pdata/ptrace"
 	semconv "go.opentelemetry.io/collector/semconv/v1.16.0"
-	"go.uber.org/multierr"
 	"google.golang.org/protobuf/proto"
 )
 
@@ -202,7 +202,7 @@ func handlePayload(req *http.Request) (tp []*pb.TracerPayload, err error) {
 
 	defer func() {
 		_, errs := io.Copy(io.Discard, req.Body)
-		err = multierr.Combine(err, errs, req.Body.Close())
+		err = errors.Join(err, errs, req.Body.Close())
 	}()
 
 	switch {