I dont your budget, but for a upgrade path, there are a few issues with your current build.
that motherboard isnt very good, even if you put a better CPU in there, it will not squeeze all the performance out of it.
My take on upgrade path is this.
Buy a 4070S you will see a major bump on FPS. but bare in mind that 3600 is gonna bottleneck the GPU.
then, when you have more $$$ go for a AM5 7600 with 32GB DDR5, and Motherboard.
you will upgrade in 2 step but is a building block for future proof.
Dont invest now in "old tech" even if at 1080p ... because later you can get a 1440p monitor for cheap... and 4070S will be perfect.
dont even touch on Radeon GPU's because there are power hungry, Nvidias 3000 series also
... if you do ... check your PSU for upgrade.
4060, 4060 ti is a trap ... they are over expensive for the performance.
don't buy things "just for 1080p", 1440p is becoming more mainstream than ever.
1080p is more on competitive side and it does not justifies ...