fix yarn build scripts

Author: nemanjam

package.json

@@ -7,8 +7,8 @@
     "start": "serve ./dist",
     "preview": "astro preview",
     "build": "astro build",
-    "build:nginx": "SITE_URL='https://nemanjamitic.com' PLAUSIBLE_SCRIPT_URL: 'https://plausible.arm1.nemanjamitic.com/js/script.js' astro build",
-    "build:nginx:local": "SITE_URL='https://blog.local.nemanjamitic.com' PLAUSIBLE_SCRIPT_URL: 'https://plausible.arm1.nemanjamitic.com/js/script.js' astro build",
+    "build:nginx": "SITE_URL='https://nemanjamitic.com' PLAUSIBLE_SCRIPT_URL='https://plausible.arm1.nemanjamitic.com/js/script.js' astro build",
+    "build:nginx:local": "SITE_URL='https://blog.local.nemanjamitic.com' PLAUSIBLE_SCRIPT_URL='https://plausible.arm1.nemanjamitic.com/js/script.js' astro build",
     "astro": "astro",
     "sync": "astro sync",
     "lint": "eslint --ext .astro,.tsx,.ts,.js,.mdx src",