Fix pnpm invocations on Windows

They didn't work with 'export', so `cross-env` is used to set environment
variables in a cross-platform compatible fashion.

Author: Byron

package.json

@@ -10,7 +10,8 @@
 	"scripts": {
 		"dev:ui": "pnpm --filter @gitbutler/ui storybook",
 		"dev:web": "turbo watch --filter @gitbutler/web dev",
-		"dev:desktop": "export CARGO_TARGET_DIR=$PNPM_SCRIPT_SRC_DIR/target/tauri && cargo build -p but && cargo build -p gitbutler-git && pnpm tauri dev",
+		"dev:desktop": "cross-env CARGO_TARGET_DIR=$PNPM_SCRIPT_SRC_DIR/target/tauri pnpm dev:desktop-with-env",
+		"dev:desktop-with-env": "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 +25,7 @@
 		"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": "export CARGO_TARGET_DIR=$PNPM_SCRIPT_SRC_DIR/target/tauri && tauri",
+		"tauri": "cross-env CARGO_TARGET_DIR=$PNPM_SCRIPT_SRC_DIR/target/tauri tauri",
 		"lint": "turbo run //#globallint --no-daemon",
 		"globallint": "prettier --check . && eslint .",
 		"prettier": "prettier --check",
@@ -42,6 +43,7 @@
 		"@types/eslint": "9.6.1",
 		"@types/node": "^22.17.0",
 		"@typescript-eslint/parser": "^8.39.0",
+		"cross-env": "^10.1.0",
 		"eslint": "^9.33.0",
 		"eslint-config-prettier": "^10.1.8",
 		"eslint-import-resolver-next": "^0.6.0",