speed up tauri builds by preventing cache trashing!

Author: Byron

package.json

@@ -10,7 +10,7 @@
 	"scripts": {
 		"dev:ui": "pnpm --filter @gitbutler/ui storybook",
 		"dev:web": "turbo watch --filter @gitbutler/web dev",
-		"dev:desktop": "cargo build -p but && cargo build -p gitbutler-git && pnpm tauri dev",
+		"dev:desktop": "export CARGO_TARGET_DIR=$PNPM_SCRIPT_SRC_DIR/target/tauri && cargo build -p but && cargo build -p gitbutler-git && pnpm tauri dev",
 		"dev:internal-tauri": "turbo watch --filter @gitbutler/desktop dev",
 		"package": "turbo run package",
 		"test": "turbo run test --no-daemon",
@@ -24,7 +24,7 @@
 		"build:test": "pnpm exec tauri build --config crates/gitbutler-tauri/tauri.conf.test.json -- --profile dev",
 		"start:desktop": "pnpm --filter @gitbutler/desktop run preview",
 		"check": "turbo run check --no-daemon",
-		"tauri": "tauri",
+		"tauri": "export CARGO_TARGET_DIR=$PNPM_SCRIPT_SRC_DIR/target/tauri && tauri",
 		"lint": "turbo run //#globallint --no-daemon",
 		"globallint": "prettier --check . && eslint .",
 		"prettier": "prettier --check",