fix(@angular/build): bump piscina to 5.3.2

Bumps piscina to 5.3.2 to address GHSA-67c8-pqhq-4rmx / CVE-2026-102992.

Closes #34241

Author: alan-agius4

packages/angular/build/package.json

@@ -36,7 +36,7 @@
     "mrmime": "2.0.1",
     "parse5-html-rewriting-stream": "8.0.0",
     "picomatch": "4.0.4",
-    "piscina": "5.2.0",
+    "piscina": "5.3.2",
     "rollup": "4.59.0",
     "sass": "1.90.0",
     "semver": "7.7.2",

packages/angular_devkit/build_angular/package.json

@@ -42,7 +42,7 @@
     "open": "10.2.0",
     "ora": "8.2.0",
     "picomatch": "4.0.4",
-    "piscina": "5.2.0",
+    "piscina": "5.3.2",
     "postcss": "8.5.23",
     "postcss-loader": "8.1.1",
     "resolve-url-loader": "5.0.0",