Bump handlebars from 4.0.12 to 4.7.7 in /samples/react-rss-reader

Bumps [handlebars](https://github.com/handlebars-lang/handlebars.js) from 4.0.12 to 4.7.7.
- [Release notes](https://github.com/handlebars-lang/handlebars.js/releases)
- [Changelog](https://github.com/handlebars-lang/handlebars.js/blob/master/release-notes.md)
- [Commits](https://github.com/handlebars-lang/handlebars.js/compare/v4.0.12...v4.7.7)

---
updated-dependencies:
- dependency-name: handlebars
  dependency-type: direct:production
...

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

samples/react-rss-reader/package-lock.json

@@ -10042,21 +10042,6 @@
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       "dev": true
     },
-    "async": {
-      "version": "2.6.4",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
-      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
-      "requires": {
-        "lodash": "^4.17.14"
-      },
-      "dependencies": {
-        "lodash": {
-          "version": "4.17.21",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
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-    },
     "async-done": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/async-done/-/async-done-1.3.2.tgz",
@@ -16985,14 +16970,15 @@
       "dev": true
     },
     "handlebars": {
-      "version": "4.0.12",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.0.12.tgz",
-      "integrity": "sha512-RhmTekP+FZL+XNhwS1Wf+bTTZpdLougwt5pcgA1tuz6Jcx0fpH/7z0qd71RKnZHBCxIRBHfBOnio4gViPemNzA==",
+      "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": {
-        "async": "^2.5.0",
-        "optimist": "^0.6.1",
+        "minimist": "^1.2.5",
+        "neo-async": "^2.6.0",
         "source-map": "^0.6.1",
-        "uglify-js": "^3.1.4"
+        "uglify-js": "^3.1.4",
+        "wordwrap": "^1.0.0"
       },
       "dependencies": {
         "source-map": {
@@ -21746,9 +21732,9 @@
       }
     },
     "minimist": {
-      "version": "0.0.10",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
-      "integrity": "sha512-iotkTvxc+TwOm5Ieim8VnSNvCDjCK9S8G3scJ50ZthspSxa7jx50jkhYduuAtAjvfDUwSgOwf8+If99AlOEhyw=="
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
+      "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA=="
     },
     "minimist-options": {
       "version": "4.1.0",
@@ -22151,8 +22137,7 @@
     "neo-async": {
       "version": "2.6.2",
       "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.2.tgz",
-      "integrity": "sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw==",
-      "dev": true
+      "integrity": "sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw=="
     },
     "next-tick": {
       "version": "1.1.0",
@@ -23130,15 +23115,6 @@
         }
       }
     },
-    "optimist": {
-      "version": "0.6.1",
-      "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.6.1.tgz",
-      "integrity": "sha512-snN4O4TkigujZphWLN0E//nQmm7790RYaE53DdL7ZYwee2D8DDo9/EyYiKUfN3rneWUjhJnueija3G9I2i0h3g==",
-      "requires": {
-        "minimist": "~0.0.1",
-        "wordwrap": "~0.0.2"
-      }
-    },
     "optionator": {
       "version": "0.8.3",
       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.3.tgz",
@@ -30001,9 +29977,9 @@
       "dev": true
     },
     "wordwrap": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
-      "integrity": "sha512-1tMA907+V4QmxV7dbRvb4/8MaRALK6q9Abid3ndMYnbyo8piisCmeONVqVSXqQA3KaP4SLt5b7ud6E2sqP8TFw=="
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
+      "integrity": "sha512-gvVzJFlPycKc5dZN4yPkP8w7Dc37BtP1yczEneOb4uq34pXZcvrtRTmWV8W+Ume+XCxKgbjM+nevkyFPMybd4Q=="
     },
     "worker-farm": {
       "version": "1.7.0",

samples/react-rss-reader/package.json

@@ -26,7 +26,7 @@
     "@pnp/spfx-property-controls": "1.12.0",
     "@types/handlebars": "4.0.39",
     "common-tags": "1.8.0",
-    "handlebars": "4.0.12",
+    "handlebars": "4.7.7",
     "handlebars-helpers": "^0.8.4",
     "moment": "2.22.2",
     "office-ui-fabric-react": "6.214.0",