Bump @types/jest from 26.0.20 to 26.0.23

Bumps [@types/jest](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/jest) from 26.0.20 to 26.0.23.
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package.json

@@ -37,7 +37,7 @@
 		"async-retry": "^1.3.1"
 	},
 	"devDependencies": {
-		"@types/jest": "^26.0.20",
+		"@types/jest": "^26.0.23",
 		"@types/node": "^14.14.17",
 		"@typescript-eslint/eslint-plugin": "^4.14.1",
 		"@typescript-eslint/parser": "^4.9.1",