fix(@schematics/update): Allow usage strict SSL configuration

fixes #10596

Author: Brocco

packages/schematics/update/update/npm.ts

@@ -85,6 +85,7 @@ export function getNpmPackageJson(
       return concat(
         getNpmConfigOption('proxy'),
         getNpmConfigOption('https-proxy'),
+        getNpmConfigOption('strict-ssl'),
       ).pipe(
         toArray(),
         concatMap(options => {
@@ -95,6 +96,9 @@ export function getNpmPackageJson(
               http: options[0],
               https: options[1],
             },
+            ssl: {
+              strict: options[2],
+            },
           });
           client.log.level = 'silent';
           const params = {