[backport cloud/1.40] feat: Add PostHog telemetry provider

[robinjhuang]

Backport of #9409 to cloud/1.40.

Automatically created by manual backport workflow.

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⏰ Completed at: 03/06/2026, 01:57:57 AM UTC

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[socket-security]

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	@​tiptap/​extension-table-row@​2.10.4 ⏵ 2.27.2
	@​storybook/​vue3-vite@​10.1.9 ⏵ 10.2.10			+1	+1
	@​tiptap/​extension-table-cell@​2.10.4 ⏵ 2.27.2
	@​tiptap/​extension-table-header@​2.10.4 ⏵ 2.27.2
	@​storybook/​vue3@​10.1.9 ⏵ 10.2.10			+1	+1
	@​tiptap/​starter-kit@​2.10.4 ⏵ 2.27.2
	@​tiptap/​extension-table@​2.10.4 ⏵ 2.27.2	+1		+1
	@​tiptap/​extension-link@​2.10.4 ⏵ 2.27.2	+1		+1	-1
	@​tiptap/​core@​2.10.4 ⏵ 2.27.2	-3		+1
	@​intlify/​eslint-plugin-vue-i18n@​4.1.0 ⏵ 4.1.1			+1
	@​tailwindcss/​vite@​4.1.12 ⏵ 4.2.0	+1		+18	+1
	axios@​1.13.2 ⏵ 1.13.5	-6	+16
	eslint-plugin-storybook@​10.1.9 ⏵ 10.2.10
	@​storybook/​addon-docs@​10.1.9 ⏵ 10.2.10				+1

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