build(deps): Bump vuepress-theme-cosmos from 1.0.179 to 1.0.180 in /docs (#5915)

Bumps [vuepress-theme-cosmos](https://github.com/cosmos/vuepress-theme-cosmos) from 1.0.179 to 1.0.180.
<details>
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</details>

docs/package.json

@@ -4,7 +4,7 @@
   "description": "Tendermint Core Documentation",
   "main": "index.js",
   "dependencies": {
-    "vuepress-theme-cosmos": "^1.0.179"
+    "vuepress-theme-cosmos": "^1.0.180"
   },
   "devDependencies": {
     "watchpack": "^2.1.0"