Bump handlebars from 4.7.6 to 4.7.7 in /src/Web/WebSPA

Bumps [handlebars](https://github.com/wycats/handlebars.js) from 4.7.6 to 4.7.7.
- [Release notes](https://github.com/wycats/handlebars.js/releases)
- [Changelog](https://github.com/handlebars-lang/handlebars.js/blob/master/release-notes.md)
- [Commits](https://github.com/wycats/handlebars.js/compare/v4.7.6...v4.7.7)

Signed-off-by: dependabot[bot] <support@github.com>

src/Web/WebSPA/package-lock.json

@@ -7584,9 +7584,9 @@
       "integrity": "sha512-9Qn4yBxelxoh2Ow62nP+Ka/kMnOXRi8BXnRaUwezLNhqelnN49xKz4F/dPP8OYLxLxq6JDtZb2i9XznUQbNPTg=="
     },
     "handlebars": {
-      "version": "4.7.6",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.6.tgz",
-      "integrity": "sha512-1f2BACcBfiwAfStCKZNrUCgqNZkGsAT7UM3kkYtXuLo0KnaVfjKOyf7PRzB6++aK9STyT1Pd2ZCPe3EGOXleXA==",
+      "version": "4.7.7",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.7.tgz",
+      "integrity": "sha512-aAcXm5OAfE/8IXkcZvCepKU3VzW1/39Fb5ZuqMtgI/hT8X2YgoMvBY5dLhq/cpOvw7Lk1nK/UF71aLG/ZnVYRA==",
       "requires": {
         "minimist": "^1.2.5",
         "neo-async": "^2.6.0",
@@ -15824,9 +15824,9 @@
       "dev": true
     },
     "uglify-js": {
-      "version": "3.12.1",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.12.1.tgz",
-      "integrity": "sha512-o8lHP20KjIiQe5b/67Rh68xEGRrc2SRsCuuoYclXXoC74AfSRGblU1HKzJWH3HxPZ+Ort85fWHpSX7KwBUC9CQ==",
+      "version": "3.13.5",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.13.5.tgz",
+      "integrity": "sha512-xtB8yEqIkn7zmOyS2zUNBsYCBRhDkvlNxMMY2smuJ/qA8NCHeQvKCF3i9Z4k8FJH4+PJvZRtMrPynfZ75+CSZw==",
       "optional": true
     },
     "undefsafe": {

src/Web/WebSPA/package.json

@@ -73,7 +73,7 @@
     "@types/selenium-webdriver": "3.0.10",
     "codelyzer": "^5.1.2",
     "eslint": "^6.8.0",
-    "handlebars": "^4.7.6",
+    "handlebars": "^4.7.7",
     "jasmine-core": "~3.5.0",
     "jasmine-spec-reporter": "~5.0.0",
     "karma": "~5.0.0",