build(astro): upgrade site to Astro 7.1

Adopt Astro 7.1.5 and MDX 7.0.5, retain HTML-aware compression for output fidelity, preserve the legacy plain-text contact URL under the new Markdown pipeline, and refresh transitive dependencies to clear npm audit.

www/astro.config.mjs

@@ -4,6 +4,7 @@ import mdx from '@astrojs/mdx';
 export default defineConfig({
   site: 'https://www.azinstitute4autism.com',
   trailingSlash: 'never',
+  compressHTML: true,
   integrations: [mdx()],
   markdown: {
     shikiConfig: { theme: 'github-light' }

www/package.json

@@ -20,8 +20,8 @@
     "generate:redirects": "node tools/generate-redirects.mjs"
   },
   "dependencies": {
-    "@astrojs/mdx": "^5.0.6",
-    "astro": "^6.4.8",
+    "@astrojs/mdx": "^7.0.5",
+    "astro": "^7.1.5",
     "cheerio": "^1.1.0",
     "fast-glob": "^3.3.3",
     "gray-matter": "^4.0.3",

www/src/content/blog/en/managing-aggressive-behavior-outbursts.mdx

@@ -35,4 +35,4 @@ The best strategy for parents to manage aggressive behavior outburst are the fol
 
 - Use less verbal interaction and use more visuals to help to de-escalate the challenging behavior.
 
-For more information on how to manage aggressive behavior and proper communication, connect with us by sending your messages and questions to <ContactObfuscation email="hello@azinsitute4autism.com" obfuscatedText="hello [at] azinsitute4autism [dot] com" /> or contact us directly at www.azinstitute4autism.com/contactus.
+For more information on how to manage aggressive behavior and proper communication, connect with us by sending your messages and questions to <ContactObfuscation email="hello@azinsitute4autism.com" obfuscatedText="hello [at] azinsitute4autism [dot] com" /> or contact us directly at {'www.azinstitute4autism.com/contactus'}.