Lumber producers reduced production due to the pandemic and now prices are up while they bring production back up to normal levels.
Short-term fluctuations in commodity prices tell you almost nothing about core inflation or long-term consumer prices.
I know you're desperate to find something that fits into your narrative that Biden is going to cause some kind of economic collapse, or maybe so your investments in gold will go up, but there's no actual economist who thinks that unpleasant levels of inflation are imminent or that Biden is going to cause such a thing.
The economy is recovering, so there could actually be a small amount of inflation, which always happens when the economy recovers from a shock. If inflation looks to be headed up, the Fed will raise rates to ease it, which is part of the Fed's job. I'm sure you'll be back on complaining about that too.