chore(deps): update dependency rtlcss to v2.6.2 (#86)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [rtlcss](https://rtlcss.com/) ([source](https://togithub.com/MohammadYounes/rtlcss)) | [`^2.6.0` -> `2.6.2`](https://renovatebot.com/diffs/npm/rtlcss/2.6.1/2.6.2) | [![age](https://badges.renovateapi.com/packages/npm/rtlcss/2.6.2/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/npm/rtlcss/2.6.2/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/npm/rtlcss/2.6.2/compatibility-slim/2.6.1)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/npm/rtlcss/2.6.2/confidence-slim/2.6.1)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>MohammadYounes/rtlcss</summary>

### [`v2.6.2`](https://togithub.com/MohammadYounes/rtlcss/blob/master/CHANGELOG.md#&#8203;262---01-Dec-2020)

[Compare Source](https://togithub.com/MohammadYounes/rtlcss/compare/2.6.1...2.6.2)

-   Set input source to same file in raw directive  ([#&#8203;180](https://togithub.com/MohammadYounes/rtlcss/issues/180)).

</details>

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package.json

@@ -54,7 +54,7 @@
     "prop-types": "^15.7.2",
     "react": "16.11.0",
     "react-dom": "16.11.0",
-    "rtlcss": "^2.6.0",
+    "rtlcss": "^2.6.2",
     "stylelint": "^13.3.2",
     "webpack": "^4.41.5"
   },

yarn.lock

@@ -7847,10 +7847,10 @@ ripemd160@^2.0.0, ripemd160@^2.0.1:
     hash-base "^3.0.0"
     inherits "^2.0.1"
 
-rtlcss@^2.6.0:
-  version "2.6.1"
-  resolved "https://registry.yarnpkg.com/rtlcss/-/rtlcss-2.6.1.tgz#e65d07bd6c23e13438a3e4c81d38ab000a796dc5"
-  integrity sha512-WoKAYLxT123Gh/9dAPeMY0YWBx6D7IjORJhTbmmq8UJI4zaSxsA0uqPWsXEqGgZT2HEGtxWkhkIZ6g1IvOQ+eg==
+rtlcss@^2.6.2:
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/rtlcss/-/rtlcss-2.6.2.tgz#55b572b52c70015ba6e03d497e5c5cb8137104b4"
+  integrity sha512-06LFAr+GAPo+BvaynsXRfoYTJvSaWRyOhURCQ7aeI1MKph9meM222F+Zkt3bDamyHHJuGi3VPtiRkpyswmQbGA==
   dependencies:
     "@choojs/findup" "^0.2.1"
     chalk "^2.4.2"