chore(deps): update dependency posthog-js to v1.257.0 (#585)

This PR contains the following updates:

| Package | Type | Update | Change | OpenSSF |
|---|---|---|---|---|
| [posthog-js](https://posthog.com/docs/libraries/js)
([source](https://redirect.github.com/PostHog/posthog-js)) |
dependencies | minor | [`1.256.2` ->
`1.257.0`](https://renovatebot.com/diffs/npm/posthog-js/1.256.2/1.257.0)
| [![OpenSSF
Scorecard](https://api.securityscorecards.dev/projects/github.com/PostHog/posthog-js/badge)](https://securityscorecards.dev/viewer/?uri=github.com/PostHog/posthog-js)
|

---

### Release Notes

<details>
<summary>PostHog/posthog-js (posthog-js)</summary>

###
[`v1.257.0`](https://redirect.github.com/PostHog/posthog-js/releases/tag/v1.257.0):
1.257.0

[Compare
Source](https://redirect.github.com/PostHog/posthog-js/compare/v1.256.2...v1.257.0)

##### 1.257.0 - 2025-07-08

- one for flags and flags for all
([#&#8203;2079](https://redirect.github.com/PostHog/posthog-js/issues/2079))
- Fix comment
([#&#8203;2078](https://redirect.github.com/PostHog/posthog-js/issues/2078))
- feat: Enhance AssignableWindow type with additional properties for
better SDK integration
([#&#8203;2077](https://redirect.github.com/PostHog/posthog-js/issues/2077))
- reset flags internal state when posthog.reset is called
([#&#8203;2066](https://redirect.github.com/PostHog/posthog-js/issues/2066))

</details>

---

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---

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## Summary by Sourcery

Chores:
- Bump posthog-js dependency from v1.256.2 to v1.257.0 in package.json
and lock file

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

bun.lock

@@ -27,7 +27,7 @@
         "gray-matter": "4.0.3",
         "lucide-react": "0.525.0",
         "next": "15.3.5",
-        "posthog-js": "1.256.2",
+        "posthog-js": "1.257.0",
         "posthog-node": "5.1.1",
         "prettier": "3.6.2",
         "react": "19.1.0",
@@ -1777,7 +1777,7 @@
 
     "postgres-interval": ["postgres-interval@1.2.0", "", { "dependencies": { "xtend": "^4.0.0" } }, "sha512-9ZhXKM/rw350N1ovuWHbGxnGh/SNJ4cnxHiM0rxE4VN41wsg8P8zWn9hv/buK00RP4WvlOyr/RBDiptyxVbkZQ=="],
 
-    "posthog-js": ["posthog-js@1.256.2", "", { "dependencies": { "core-js": "^3.38.1", "fflate": "^0.4.8", "preact": "^10.19.3", "web-vitals": "^4.2.4" }, "peerDependencies": { "@rrweb/types": "2.0.0-alpha.17", "rrweb-snapshot": "2.0.0-alpha.17" }, "optionalPeers": ["@rrweb/types", "rrweb-snapshot"] }, "sha512-ypepnUHr33i5a1Uk39mozZXXTENRPC17HCG3WHKK6aRcpNwNs8uEqXaIKICGNM+qre+totKeTgl0WoaUFYmyoQ=="],
+    "posthog-js": ["posthog-js@1.257.0", "", { "dependencies": { "core-js": "^3.38.1", "fflate": "^0.4.8", "preact": "^10.19.3", "web-vitals": "^4.2.4" }, "peerDependencies": { "@rrweb/types": "2.0.0-alpha.17", "rrweb-snapshot": "2.0.0-alpha.17" }, "optionalPeers": ["@rrweb/types", "rrweb-snapshot"] }, "sha512-Ujg9RGtWVCu+4tmlRpALSy2ZOZI6JtieSYXIDDdgMWm167KYKvTtbMPHdoBaPWcNu0Km+1hAIBnQFygyn30KhA=="],
 
     "posthog-node": ["posthog-node@5.1.1", "", {}, "sha512-6VISkNdxO24ehXiDA4dugyCSIV7lpGVaEu5kn/dlAj+SJ1lgcDru9PQ8p/+GSXsXVxohd1t7kHL2JKc9NoGb0w=="],
 

package.json

@@ -39,7 +39,7 @@
     "gray-matter": "4.0.3",
     "lucide-react": "0.525.0",
     "next": "15.3.5",
-    "posthog-js": "1.256.2",
+    "posthog-js": "1.257.0",
     "posthog-node": "5.1.1",
     "prettier": "3.6.2",
     "react": "19.1.0",