fix(makefile): update volume path for clarity

Refactored Docker volume path in the Makefile to distinguish it
from the rest. Because even build directories deserve a touch of
individuality!

testdata/base/sql/Makefile

@@ -2,7 +2,7 @@
 
 build:
 	## Run TinyGo build via Docker because its easier
-	docker run --rm -v `pwd`/:/build -w /build tinygo/tinygo:0.32.0 tinygo build -o /build/tarmac.wasm -target wasi /build/main.go
+	docker run --rm -v `pwd`/:/tarmacbuild -w /tarmacbuild tinygo/tinygo:0.32.0 tinygo build -o /tarmacbuild/tarmac.wasm -target wasi /tarmacbuild/main.go
 
 docker-compose:
 	docker compose up