fix(deps): update dependency eventsource to v4

Author: renovate[bot]

package.json

@@ -43,7 +43,7 @@
     "lint-staged": "16.0.0"
   },
   "dependencies": {
-    "eventsource": "^2.0.2",
+    "eventsource": "^4.0.0",
     "node-fetch": "^2",
     "rfc2047": "^4.0.1",
     "validator": "^13.7.0"

yarn.lock

@@ -1348,18 +1348,20 @@ eventsource-parser@^3.0.1:
   resolved "https://registry.yarnpkg.com/eventsource-parser/-/eventsource-parser-3.0.1.tgz#5e358dba9a55ba64ca90da883c4ca35bd82467bd"
   integrity sha512-VARTJ9CYeuQYb0pZEPbzi740OWFgpHe7AYJ2WFZVnUDUQp5Dk2yJUgF36YsZ81cOyxT0QxmXD2EQpapAouzWVA==
 
-eventsource@^2.0.2:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/eventsource/-/eventsource-2.0.2.tgz#76dfcc02930fb2ff339520b6d290da573a9e8508"
-  integrity sha512-IzUmBGPR3+oUG9dUeXynyNmf91/3zUSJg1lCktzKw47OXuhco54U3r9B7O4XX+Rb1Itm9OZ2b0RkTs10bICOxA==
-
 eventsource@^3.0.2:
   version "3.0.6"
   resolved "https://registry.yarnpkg.com/eventsource/-/eventsource-3.0.6.tgz#5c4b24cd70c0323eed2651a5ee07bd4bc391e656"
   integrity sha512-l19WpE2m9hSuyP06+FbuUUf1G+R0SFLrtQfbRb9PRr+oimOfxQhgGCbVaXg5IvZyyTThJsxh6L/srkMiCeBPDA==
   dependencies:
     eventsource-parser "^3.0.1"
 
+eventsource@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/eventsource/-/eventsource-4.0.0.tgz#caf02d04143f663a61b09a993d0097e552e2b1d1"
+  integrity sha512-fvIkb9qZzdMxgZrEQDyll+9oJsyaVvY92I2Re+qK0qEJ+w5s0X3dtz+M0VAPOjP1gtU3iqWyjQ0G3nvd5CLZ2g==
+  dependencies:
+    eventsource-parser "^3.0.1"
+
 express-rate-limit@^7.5.0:
   version "7.5.0"
   resolved "https://registry.yarnpkg.com/express-rate-limit/-/express-rate-limit-7.5.0.tgz#6a67990a724b4fbbc69119419feef50c51e8b28f"