chore(deps): update dependency posthog-js to v1.309.1 (#1028)

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 | [`1.308.0` ->
`1.309.1`](https://renovatebot.com/diffs/npm/posthog-js/1.308.0/1.309.1)
| [![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>

###
[`v1.309.1`](https://redirect.github.com/PostHog/posthog-js/releases/tag/posthog-js%401.309.1)

[Compare
Source](https://redirect.github.com/PostHog/posthog-js/compare/posthog-js@1.309.0...posthog-js@1.309.1)

#### 1.309.1

##### Patch Changes

- Updated dependencies
\[[`6b0aabf`](https://redirect.github.com/PostHog/posthog-js/commit/6b0aabff893e44d1710b7d122a68bf023f4e0bd5)]:
-
[@&#8203;posthog/core](https://redirect.github.com/posthog/core)@&#8203;1.8.1

###
[`v1.309.0`](https://redirect.github.com/PostHog/posthog-js/releases/tag/posthog-js%401.309.0)

[Compare
Source](https://redirect.github.com/PostHog/posthog-js/compare/posthog-js@1.308.0...posthog-js@1.309.0)

#### 1.309.0

##### Minor Changes

-
[#&#8203;2783](https://redirect.github.com/PostHog/posthog-js/pull/2783)
[`0163c71`](https://redirect.github.com/PostHog/posthog-js/commit/0163c714de1a42227fa3f947f239897d440caaa3)
Thanks [@&#8203;adboio](https://redirect.github.com/adboio)! - product
tours: enable click-element-to-progress steps
  (2025-12-17)

-
[#&#8203;2745](https://redirect.github.com/PostHog/posthog-js/pull/2745)
[`ee5e76d`](https://redirect.github.com/PostHog/posthog-js/commit/ee5e76d5170fe5ebbc022f3dda3b27811e14fff0)
Thanks [@&#8203;adboio](https://redirect.github.com/adboio)! - reduce
bundle size for product tours
  (2025-12-17)

</details>

---

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<!-- This is an auto-generated description by cubic. -->
---
## Summary by cubic
Upgrade PostHog web SDK to 1.309.1 to keep analytics current and gain
product tour improvements. Also reduces tour bundle size via upstream
changes and updates core internals.

- **Dependencies**
  - posthog-js: 1.308.0 → 1.309.1
  - Pulls @posthog/core: 1.8.1
- Adds click-to-progress steps for product tours and smaller tour bundle
size

<sup>Written for commit 01aac83.
Summary will update automatically on new commits.</sup>

<!-- 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

@@ -43,7 +43,7 @@
     "mermaid": "11.12.2",
     "next": "16.0.10",
     "next-validate-link": "1.6.3",
-    "posthog-js": "1.308.0",
+    "posthog-js": "1.309.1",
     "react": "19.2.3",
     "react-dom": "19.2.3",
     "react-medium-image-zoom": "5.4.0",