build: bump golang 1.19.2 -> 1.19.2 (#5337)

This addresses https://pkg.go.dev/vuln/GO-2022-1095.

The only relevant call sites are in the wasm optimizations, where you can
opt into shelling out to wasm-opt (binaryen). None of this is done by default.

Signed-off-by: Stephan Renatus <stephan.renatus@gmail.com>