chore: update eslint-plugin-unicorn (jestjs#15207)

Author: SimenB

package.json

@@ -41,7 +41,7 @@
     "eslint-plugin-markdown": "^3.0.0",
     "eslint-plugin-prettier": "^5.0.0",
     "eslint-plugin-promise": "^6.1.1",
-    "eslint-plugin-unicorn": "^53.0.0",
+    "eslint-plugin-unicorn": "^54.0.0",
     "execa": "^5.0.0",
     "find-process": "^1.4.1",
     "glob": "^10.3.10",

packages/expect/src/matchers.ts

@@ -557,9 +557,9 @@ const matchers: MatchersObject = {
             : printReceived(received)
         }` +
         (!isNot &&
-        indexable.findIndex(item =>
+        indexable.some(item =>
           equals(item, expected, [...this.customTesters, iterableEquality]),
-        ) !== -1
+        )
           ? `\n\n${SUGGEST_TO_CONTAIN_EQUAL}`
           : '')
       );

yarn.lock

@@ -3231,7 +3231,7 @@ __metadata:
     eslint-plugin-markdown: ^3.0.0
     eslint-plugin-prettier: ^5.0.0
     eslint-plugin-promise: ^6.1.1
-    eslint-plugin-unicorn: ^53.0.0
+    eslint-plugin-unicorn: ^54.0.0
     execa: ^5.0.0
     find-process: ^1.4.1
     glob: ^10.3.10
@@ -9871,9 +9871,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"eslint-plugin-unicorn@npm:^53.0.0":
-  version: 53.0.0
-  resolution: "eslint-plugin-unicorn@npm:53.0.0"
+"eslint-plugin-unicorn@npm:^54.0.0":
+  version: 54.0.0
+  resolution: "eslint-plugin-unicorn@npm:54.0.0"
   dependencies:
     "@babel/helper-validator-identifier": ^7.24.5
     "@eslint-community/eslint-utils": ^4.4.0
@@ -9893,7 +9893,7 @@ __metadata:
     strip-indent: ^3.0.0
   peerDependencies:
     eslint: ">=8.56.0"
-  checksum: bf3e4046977903c7018745c3ad19c026ef25df116721f10a58dc215285c4d98d8531829e31aa5b4da0ccc03aa352e5a58a865c7879c50da7138ce5fd41a21a3d
+  checksum: f071c79e7b7416be4d6e5b1900f20b995b841393baf7c31c56534a4e7b144bf728a07bf107585a8d1e0525010df448d16862aaa38cb9309f798a59bd91efbe4d
   languageName: node
   linkType: hard