fix: typings should be devDependency (#1495)

Author: dhensby

package.json

@@ -43,7 +43,6 @@
     "@azure/identity": "^2.0.4",
     "@azure/keyvault-keys": "^4.4.0",
     "@js-joda/core": "^5.2.0",
-    "@types/es-aggregate-error": "^1.0.2",
     "bl": "^5.0.0",
     "es-aggregate-error": "^1.0.8",
     "iconv-lite": "^0.6.3",
@@ -65,6 +64,7 @@
     "@commitlint/cli": "^16.2.4",
     "@commitlint/config-conventional": "^16.2.4",
     "@commitlint/travis-cli": "^16.2.4",
+    "@types/es-aggregate-error": "^1.0.2",
     "@types/async": "^3.2.13",
     "@types/bl": "^5.0.2",
     "@types/chai": "^4.3.1",