chore(deps): update pnpm to v9.12.3

Author: renovate[bot]

package.json

@@ -83,7 +83,7 @@
 		"roblox-ts": "3.0.0",
 		"typescript": "5.5.3"
 	},
-	"packageManager": "pnpm@9.12.2",
+	"packageManager": "pnpm@9.12.3",
 	"pnpm": {
 		"patchedDependencies": {
 			"rbxts-transform-env@2.2.0": "patches/rbxts-transform-env@2.2.0.patch"