Bump async from 2.6.3 to 2.6.4 in /samples/react-calendar

Bumps [async](https://github.com/caolan/async) from 2.6.3 to 2.6.4.
- [Release notes](https://github.com/caolan/async/releases)
- [Changelog](https://github.com/caolan/async/blob/v2.6.4/CHANGELOG.md)
- [Commits](https://github.com/caolan/async/compare/v2.6.3...v2.6.4)

---
updated-dependencies:
- dependency-name: async
  dependency-type: indirect
...

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

samples/react-calendar/package-lock.json

@@ -5213,12 +5213,6 @@
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-      "dev": true
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     "@restart/hooks": {
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       "resolved": "https://registry.npmjs.org/@restart/hooks/-/hooks-0.3.27.tgz",
@@ -8255,9 +8249,9 @@
       "dev": true
     },
     "async": {
-      "version": "2.6.3",
+      "version": "2.6.4",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
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+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
       "dev": true,
       "requires": {
         "lodash": "^4.17.14"
@@ -11573,12 +11567,6 @@
         "node-addon-api": "^1.7.1"
       }
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-    "debounce": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/debounce/-/debounce-1.2.1.tgz",
-      "integrity": "sha512-XRRe6Glud4rd/ZGQfiV1ruXSfbvfJedlV9Y6zOlP+2K04vBYiJEte6stfFkCP03aMnY5tsipamumUjL14fofug==",
-      "dev": true
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     "debug": {
       "version": "4.3.3",
       "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.3.tgz",
@@ -13395,6 +13383,12 @@
         "minimatch": "^3.0.3"
       }
     },
+    "filesize": {
+      "version": "3.6.1",
+      "resolved": "https://registry.npmjs.org/filesize/-/filesize-3.6.1.tgz",
+      "integrity": "sha512-7KjR1vv6qnicaPMi1iiTcI85CyYwRO/PSFCu6SvqL8jN2Wjt/NIYQTFtFs7fSDCYOstUkEWIQGFUg5YZQfjlcg==",
+      "dev": true
+    },
     "fill-range": {
       "version": "7.0.1",
       "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
@@ -15241,6 +15235,12 @@
         "parse-passwd": "^1.0.0"
       }
     },
+    "hoopy": {
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/hoopy/-/hoopy-0.1.4.tgz",
+      "integrity": "sha512-HRcs+2mr52W0K+x8RzcLzuPPmVIKMSv97RGHy0Ea9y/mpcaK+xTrjICA04KAHi4GRzxliNqNJEFYWHghy3rSfQ==",
+      "dev": true
+    },
     "hosted-git-info": {
       "version": "2.8.9",
       "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.8.9.tgz",
@@ -25919,17 +25919,6 @@
         "is-arrayish": "^0.3.1"
       }
     },
-    "sirv": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/sirv/-/sirv-2.0.4.tgz",
-      "integrity": "sha512-94Bdh3cC2PKrbgSOUqTiGPWVZeSiXfKOVZNJniWoqrWrRkB1CJzBU3NEbiTsPcYy1lDsANA/THzS+9WBiy5nfQ==",
-      "dev": true,
-      "requires": {
-        "@polka/url": "^1.0.0-next.24",
-        "mrmime": "^2.0.0",
-        "totalist": "^3.0.0"
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     "sisteransi": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/sisteransi/-/sisteransi-1.0.5.tgz",
@@ -28392,6 +28381,12 @@
         "glob": "^7.1.2"
       }
     },
+    "tryer": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/tryer/-/tryer-1.0.1.tgz",
+      "integrity": "sha512-c3zayb8/kWWpycWYg87P71E1S1ZL6b6IJxfb5fvsUgsf0S2MVGaDhDXXjDMpdCpfWXqptc+4mXwmiy1ypXqRAA==",
+      "dev": true
+    },
     "ts-jest": {
       "version": "26.5.6",
       "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-26.5.6.tgz",