fix(deps): update dependency bignumber.js to v9.1.2

Author: renovate[bot]

package.json

@@ -99,7 +99,7 @@
 	},
 	"dependencies": {
 		"@devprotocol/util-ts": "3.1.0",
-		"bignumber.js": "9.1.1",
+		"bignumber.js": "9.1.2",
 		"js-base64": "^3.7.2",
 		"ramda": "^0.29.0"
 	},

yarn.lock

@@ -2216,10 +2216,10 @@ bech32@1.1.4:
   resolved "https://registry.yarnpkg.com/bech32/-/bech32-1.1.4.tgz#e38c9f37bf179b8eb16ae3a772b40c356d4832e9"
   integrity sha512-s0IrSOzLlbvX7yp4WBfPITzpAU8sqQcpsmwXDiKwrG4r491vwCO/XpejasRNl0piBMe/DvP4Tz0mIS/X1DPJBQ==
 
-bignumber.js@9.1.1:
-  version "9.1.1"
-  resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-9.1.1.tgz#c4df7dc496bd849d4c9464344c1aa74228b4dac6"
-  integrity sha512-pHm4LsMJ6lzgNGVfZHjMoO8sdoRhOzOH4MLmY65Jg70bpxCKu5iOHNJyfF6OyvYw7t8Fpf35RuzUyqnQsj8Vig==
+bignumber.js@9.1.2:
+  version "9.1.2"
+  resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-9.1.2.tgz#b7c4242259c008903b13707983b5f4bbd31eda0c"
+  integrity sha512-2/mKyZH9K85bzOEfhXDBFZTGd1CTs+5IHpeFQo9luiBG7hghdC851Pj2WAhb6E3R6b9tZj/XKhbg4fum+Kepug==
 
 bn.js@^4.11.9:
   version "4.12.0"