Adds missing {% raw %} tags to caching page

[anno1985]

Why:

Closes #22864

What's being changed (if available, include any code snippets, screenshots, or gifs):

Adds missing {% raw %} and {% endraw %} tags around three places with rendering issues in the last example on the caching page.

These tags are currently missing, apparently causing the LiquidJS templating engine to attempt to parse GitHub Action expressions from that example and to render them as output. As the expressions aren't LiquidJS output tags, parsing fails, and nothing is rendered.

Check off the following:

• I have reviewed my changes in staging (look for the "Automatically generated comment" and click the links in the "Preview" column to view your latest changes).
• For content changes, I have completed the self-review checklist. N/A: added tags only

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Content directory changes

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Source	Preview	Production	What Changed
actions/using-workflows/caching-dependencies-to-speed-up-workflows.md	fpt ghec ghes@ 3.7 3.6 3.5	fpt ghec ghes@ 3.7 3.6 3.5

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fpt: Free, Pro, Team
ghec: GitHub Enterprise Cloud
ghes: GitHub Enterprise Server
ghae: GitHub AE

[anno1985]

Unfortunately, the example is actually re-using a code snippet that is embedded via LiquidJS tags, so disabling them wholesale is not the solution.

[anno1985]

Looks good to me; however, the section in question (which uses https://github.com/actions/gh-actions-cache/) shows up for ghes 3.7, when it probably shouldn't:

Note: This extension currently supports github.com only, GitHub Enterprise Server is not supported currently.

However, that seems to be an unrelated issue with a variable used in an ifversion tag on lines 317/366:

{% ifversion actions-cache-list-delete-apis %}

[cmwilson21]

@anno1985 Thank you for opening a PR and linking it to your issue! ✨

We appreciate all the info provided. 💖 I'll get this triaged for review ⚡

We appreciate your patience during the holiday season 💖

[SiaraMist]

Hey @anno1985, thank you so much for opening this PR! Your updates look great. I'll go ahead and get this merged. 🚀

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