[chore][receiver/filestats] Fix lint on Windows issues (open-telemetr…

…y#29798)

**Description:**
Fixing lint issues when GOOS=windows. This is in preparation to
eventually include lint with GOOS=windows as part of CI.

**Link to tracking Issue:**
N/A

**Testing:**
`make` on component folder on a Windows box

**Documentation:**
N/A

receiver/filestatsreceiver/filestats_windows.go

@@ -17,7 +17,7 @@ import (
  "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/filestatsreceiver/internal/metadata"
 )
 
-func collectStats(now pcommon.Timestamp, fileinfo os.FileInfo, metricsBuilder *metadata.MetricsBuilder, logger *zap.Logger) {
+func collectStats(now pcommon.Timestamp, fileinfo os.FileInfo, metricsBuilder *metadata.MetricsBuilder, _ *zap.Logger) {
  stat := fileinfo.Sys().(*syscall.Win32FileAttributeData)
  atime := stat.LastAccessTime.Nanoseconds() / int64(time.Second)
  ctime := stat.LastWriteTime.Nanoseconds() / int64(time.Second)