Plugins: Remove pkg/infra/fs, pkg/infra/tracing and pkg/infra/process dependencies from pkg/plugins (#115798)

* remove dependency on packages

* update tests

* trigger

pkg/plugins/filepath_test.go

@@ -0,0 +1,39 @@
+package plugins
+
+import (
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestCleanRelativePath(t *testing.T) {
+	testcases := []struct {
+		input        string
+		expectedPath string
+	}{
+		{
+			input:        "",
+			expectedPath: ".",
+		},
+		{
+			input:        filepath.Join(string(filepath.Separator), "test", "test.txt"),
+			expectedPath: filepath.Join("test", "test.txt"),
+		},
+		{
+			input:        filepath.Join("..", "..", "test", "test.txt"),
+			expectedPath: filepath.Join("test", "test.txt"),
+		},
+		{
+			// since filepath.Join will remove the leading dot, we need to build the path manually
+			input:        "." + string(filepath.Separator) + filepath.Join("..", "test", "test.txt"),
+			expectedPath: filepath.Join("test", "test.txt"),
+		},
+	}
+
+	for _, tt := range testcases {
+		path, err := CleanRelativePath(tt.input)
+		assert.NoError(t, err)
+		assert.Equal(t, tt.expectedPath, path)
+	}
+}