Update guide.md with missing title in getInfo option

[pprzetacznik]

titleproperty is used in TagList or StarList components - https://ecosystem.vuejs.press/plugins/blog/blog/guide.html#customizing-categories-and-types

It done similarly to an e2e example - https://github.com/vuepress/ecosystem/blob/main/e2e/docs/.vuepress/config.ts#L120

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[coveralls]

Pull Request Test Coverage Report for Build 12786361756

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 34 unchanged lines in 2 files lost coverage.
• Overall coverage remained the same at 59.625%

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Files with Coverage Reduction	New Missed Lines	%
tools/helper/src/node/bundler/vite/mergeViteConfig.ts	14	45.24%
tools/helper/lib/node/bundler/vite/mergeViteConfig.js	20	6.45%

Totals
Change from base Build 12751539581:	0.0%
Covered Lines:	1336
Relevant Lines:	2026

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💛 - Coveralls