[receive/jmx] fix lint for jmxreceiver (open-telemetry#12204)

Signed-off-by: Ziqi Zhao <[email protected]>

receiver/jmxreceiver/internal/subprocess/subprocess.go

@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// nolint:errcheck,gocritic
 package subprocess // import "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/jmxreceiver/internal/subprocess"
 
 import (
@@ -258,7 +257,7 @@ func (subprocess *Subprocess) run(ctx context.Context) {
  }
  case shuttingDown:
  if cmd.Process != nil {
- cmd.Process.Signal(syscall.SIGTERM)
+ _ = cmd.Process.Signal(syscall.SIGTERM)
  }
  <-processReturned.ReturnedChan
  stdout.Close()
@@ -305,7 +304,8 @@ func createCommand(execPath string, args, envVars []string) (*exec.Cmd, io.Write
 
  var env []string
  env = append(env, os.Environ()...)
- cmd.Env = append(env, envVars...)
+ env = append(env, envVars...)
+ cmd.Env = env
 
  inReader, inWriter, err := os.Pipe()
  if err != nil {