feat: filter noisy tar warnings in CI logs

Author: AndriiFilippov

releng/update-site-tests/run-all-cases.sh

@@ -106,7 +106,8 @@ echo "Downloading Espressif-IDE from: $ESPRESSIF_IDE_URL"
 curl -fsSL "$ESPRESSIF_IDE_URL" -o "$ESP_IDE_WORK/espressif-ide.tar.gz"
 
 echo "Extracting Espressif-IDE..."
-tar -xzf "$ESP_IDE_WORK/espressif-ide.tar.gz" -C "$ESP_IDE_WORK"
+tar -xzf "$ESP_IDE_WORK/espressif-ide.tar.gz" -C "$ESP_IDE_WORK" \
+  2> >(grep -v "LIBARCHIVE.creationtime" >&2)
 
 # Figure out where the eclipse executable is after extraction
 # Usually archive contains a top-level "eclipse/" directory