build: add temporary patch to make tsec compatible with `rules_node…

…js` v5

Adds a temporary patch to make `tsec` compatible with `rules_nodejs` v5
until google/tsec#25 is available/released.

tools/postinstall-patches.js

@@ -139,6 +139,10 @@ for (const [fileName, patches] of ngDevPatches.entries()) {
   }
 }
 
+// Workaround until tsec is compatible with `rules_nodejs` v5.
+// TODO: Remove when https://github.com/google/tsec/pull/25 is available.
+sed('-i', '@bazel/typescript', '@bazel/concatjs', 'node_modules/tsec/index.bzl');
+
 log('\n# patch: delete d.ts files referring to rxjs-compat');
 // more info in https://github.com/angular/angular/pull/33786
 rm('-rf', [