chore(deps): update dependency posthog-js to v1.279.3 (#825)

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 | [`1.277.0` ->
`1.279.3`](https://renovatebot.com/diffs/npm/posthog-js/1.277.0/1.279.3)
| [![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>

###
[`v1.279.3`](https://redirect.github.com/PostHog/posthog-js/releases/tag/posthog-js%401.279.3)

[Compare
Source](https://redirect.github.com/PostHog/posthog-js/compare/posthog-js@1.279.2...posthog-js@1.279.3)

#### 1.279.3

##### Patch Changes

-
[#&#8203;2482](https://redirect.github.com/PostHog/posthog-js/pull/2482)
[`04ba023`](https://redirect.github.com/PostHog/posthog-js/commit/04ba0230785ea118fe5016057b97813d1fa76d11)
Thanks [@&#8203;robbie-c](https://redirect.github.com/robbie-c)! - Fix
[#&#8203;2471](https://redirect.github.com/PostHog/posthog-js/issues/2471)

###
[`v1.279.2`](https://redirect.github.com/PostHog/posthog-js/releases/tag/posthog-js%401.279.2)

[Compare
Source](https://redirect.github.com/PostHog/posthog-js/compare/posthog-js@1.279.1...posthog-js@1.279.2)

#### 1.279.2

##### Patch Changes

- Updated dependencies
\[[`e0a6fe0`](https://redirect.github.com/PostHog/posthog-js/commit/e0a6fe013b5a1e92a6e7685f35f715199b716b34)]:
-
[@&#8203;posthog/core](https://redirect.github.com/posthog/core)@&#8203;1.3.1

###
[`v1.279.1`](https://redirect.github.com/PostHog/posthog-js/releases/tag/posthog-js%401.279.1)

[Compare
Source](https://redirect.github.com/PostHog/posthog-js/compare/posthog-js@1.279.0...posthog-js@1.279.1)

#### 1.279.1

##### Patch Changes

-
[#&#8203;2469](https://redirect.github.com/PostHog/posthog-js/pull/2469)
[`b161bb3`](https://redirect.github.com/PostHog/posthog-js/commit/b161bb3258b6dae879f76fd828a438ff6c07797f)
Thanks [@&#8203;pauldambra](https://redirect.github.com/pauldambra)! -
fix: stop heatmap buffer interval when hidden

###
[`v1.279.0`](https://redirect.github.com/PostHog/posthog-js/releases/tag/posthog-js%401.279.0)

[Compare
Source](https://redirect.github.com/PostHog/posthog-js/compare/posthog-js@1.278.0...posthog-js@1.279.0)

#### 1.279.0

##### Minor Changes

-
[#&#8203;2463](https://redirect.github.com/PostHog/posthog-js/pull/2463)
[`3075888`](https://redirect.github.com/PostHog/posthog-js/commit/3075888be97e03b0485d2596f9fad2bd2ba7e192)
Thanks [@&#8203;pauldambra](https://redirect.github.com/pauldambra)! -
fix: remove rrweb types as a peer dependency

###
[`v1.278.0`](https://redirect.github.com/PostHog/posthog-js/releases/tag/posthog-js%401.278.0)

[Compare
Source](https://redirect.github.com/PostHog/posthog-js/compare/posthog-js@1.277.0...posthog-js@1.278.0)

#### 1.278.0

##### Minor Changes

-
[#&#8203;2467](https://redirect.github.com/PostHog/posthog-js/pull/2467)
[`b0f1390`](https://redirect.github.com/PostHog/posthog-js/commit/b0f1390d66c46c7abd308ffd88397d0ece7d5f82)
Thanks [@&#8203;lricoy](https://redirect.github.com/lricoy)! - Includes
warning on advanced\_disable\_flags with extra examples on what it
disables

</details>

---

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---

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<!-- This is an auto-generated description by cubic. -->
---

## Summary by cubic
Updated posthog-js to 1.279.3 to pick up upstream fixes and remove an
unnecessary peer dependency. This improves analytics stability (e.g.,
heatmap buffer stops when hidden) with no code changes required.

- **Dependencies**
  - posthog-js: 1.277.0 → 1.279.3
  - Transitive update: @posthog/core to 1.3.1
  - rrweb types peer dependency removed; no action needed

<!-- End of auto-generated description by cubic. -->

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

@@ -39,7 +39,7 @@
     "gray-matter": "4.0.3",
     "lucide-react": "0.546.0",
     "next": "15.5.6",
-    "posthog-js": "1.277.0",
+    "posthog-js": "1.279.3",
     "posthog-node": "5.10.1",
     "prettier": "3.6.2",
     "react": "19.2.0",