build: update piscina to 5.1.1

Author: alan-agius4

packages/angular/build/package.json

@@ -36,7 +36,7 @@
     "mrmime": "2.0.1",
     "parse5-html-rewriting-stream": "7.1.0",
     "picomatch": "4.0.2",
-    "piscina": "5.0.0",
+    "piscina": "5.1.1",
     "rollup": "4.40.2",
     "sass": "1.88.0",
     "semver": "7.7.2",

packages/angular_devkit/build_angular/package.json

@@ -43,7 +43,7 @@
     "open": "10.1.2",
     "ora": "8.2.0",
     "picomatch": "4.0.2",
-    "piscina": "5.0.0",
+    "piscina": "5.1.1",
     "postcss": "8.5.3",
     "postcss-loader": "8.1.1",
     "resolve-url-loader": "5.0.0",