chore(deps): update dependency @release-it/keep-a-changelog to v6

Author: renovate[bot]

packages/react/package.json

@@ -222,7 +222,7 @@
   },
   "devDependencies": {
     "@biomejs/biome": "1.9.4",
-    "@release-it/keep-a-changelog": "5.0.0",
+    "@release-it/keep-a-changelog": "6.0.0",
     "@storybook/addon-a11y": "8.4.7",
     "@storybook/addon-essentials": "8.4.7",
     "@storybook/react-vite": "8.4.7",

packages/solid/package.json

@@ -184,7 +184,7 @@
   "devDependencies": {
     "@biomejs/biome": "1.9.4",
     "@modular-forms/solid": "0.25.0",
-    "@release-it/keep-a-changelog": "5.0.0",
+    "@release-it/keep-a-changelog": "6.0.0",
     "@solidjs/testing-library": "0.8.10",
     "@storybook/addon-a11y": "8.5.0-beta.7",
     "@storybook/addon-essentials": "8.5.0-beta.7",

packages/svelte/package.json

@@ -84,7 +84,7 @@
 		"nanoid": "5.0.9"
 	},
 	"devDependencies": {
-		"@release-it/keep-a-changelog": "5.0.0",
+		"@release-it/keep-a-changelog": "6.0.0",
 		"@storybook/addon-a11y": "8.4.7",
 		"@storybook/addon-essentials": "8.4.7",
 		"@storybook/sveltekit": "8.4.7",

packages/vue/package.json

@@ -221,7 +221,7 @@
   "devDependencies": {
     "@biomejs/biome": "1.9.4",
     "@histoire/plugin-vue": "0.17.17",
-    "@release-it/keep-a-changelog": "5.0.0",
+    "@release-it/keep-a-changelog": "6.0.0",
     "@testing-library/dom": "10.4.0",
     "@testing-library/jest-dom": "6.6.3",
     "@testing-library/user-event": "14.5.2",