Update OTel dependencies to 0.139.0/v1.45.0 and Elastic ones to v0.20.0/v0.21.0 (#11025)

sed -i 's/\(go\.opentelemetry\.io\/collector.*\) v1\.43\.0/\1 v1.45.0/' go.mod
sed -i 's/\(go\.opentelemetry\.io\/collector.*\) v0\.137.0/\1 v0.139.0/' go.mod
sed -i 's/\(github\.com\/open-telemetry\/opentelemetry\-collector\-contrib\/.*\) v0\.137\.0/\1 v0.139.0/' go.mod
go get -u github.com/elastic/opentelemetry-collector-components/...

Author: belimawr

.gitignore

@@ -63,3 +63,4 @@ fleet.yml.old
 pkg/component/fake/component/component
 internal/pkg/agent/install/testblocking/testblocking
 internal/pkg/otel/manager/testing/testing
+pkg/core/process/testsignal/testsignal

NOTICE-fips.txt

@@ -2268,7 +2268,7 @@ func (Integration) Local(ctx context.Context, testName string) error {
 	// run the integration tests but only run test that can run locally
 	params := devtools.DefaultGoTestIntegrationArgs()
 	params.Tags = append(params.Tags, "local")
-	params.Packages = []string{"github.com/elastic/elastic-agent/testing/integration"}
+	params.Packages = []string{"github.com/elastic/elastic-agent/testing/integration/..."}
 
 	var goTestFlags []string
 	rawTestFlags := os.Getenv("GOTEST_FLAGS")

NOTICE.txt

@@ -0,0 +1,90 @@
+// Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+// or more contributor license agreements. Licensed under the Elastic License 2.0;
+// you may not use this file except in compliance with the Elastic License 2.0.
+
+package testing
+
+import (
+	"os"
+	"path/filepath"
+	"runtime"
+	"strings"
+	"testing"
+	"unicode"
+	"unicode/utf8"
+)
+
+// TempDir creates a temporary directory that will be
+// removed if the tests passes. The temporary directory is
+// created by joining all elements from path, with the sanitised
+// test name.
+//
+// If path is empty, the temporary directory is created in os.TempDir.
+//
+// When tests are run with -v, the temporary directory absolute
+// path will be logged.
+func TempDir(t *testing.T, path ...string) string {
+	rootDir := filepath.Join(path...)
+
+	if rootDir == "" {
+		rootDir = os.TempDir()
+	}
+
+	rootDir, err := filepath.Abs(rootDir)
+	if err != nil {
+		t.Fatalf("cannot get absolute path: %s", err)
+	}
+
+	// Logic copied with small modifications from
+	// the Go source code: testing/testing.go
+	folderName := t.Name()
+	mapper := func(r rune) rune {
+		if r < utf8.RuneSelf {
+			const allowed = "_-"
+			if '0' <= r && r <= '9' ||
+				'a' <= r && r <= 'z' ||
+				'A' <= r && r <= 'Z' {
+				return r
+			}
+			if strings.ContainsRune(allowed, r) {
+				return r
+			}
+		} else if unicode.IsLetter(r) || unicode.IsNumber(r) {
+			return r
+		}
+		return -1
+	}
+	folderName = strings.Map(mapper, folderName)
+
+	if err := os.MkdirAll(rootDir, 0o750); err != nil {
+		t.Fatalf("error making test dir: %s: %s", rootDir, err)
+	}
+
+	tempDir, err := os.MkdirTemp(rootDir, folderName)
+	if err != nil {
+		t.Fatalf("failed to make temp directory: %s", err)
+	}
+
+	cleanup := func() {
+		if !t.Failed() {
+			if err := os.RemoveAll(tempDir); err != nil {
+				// Ungly workaround Windows limitations
+				// Windows does not support the Interrup signal, so it might
+				// happen that Filebeat is still running, keeping it's registry
+				// file open, thus preventing the temporary folder from being
+				// removed. So we log the error and move on without failing the
+				// test
+				if runtime.GOOS == "windows" {
+					t.Logf("[WARN] Could not remove temporatry directory '%s': %s", tempDir, err)
+				} else {
+					t.Errorf("could not remove temp dir '%s': %s", tempDir, err)
+				}
+			}
+		} else {
+			t.Logf("Temporary directory saved: %s", tempDir)
+		}
+	}
+	t.Cleanup(cleanup)
+
+	return tempDir
+}