[pages] Add undocumented `pages dev` flags

[CarmenPopoviciu]

This commit adds two undocumented pages dev flags: --https-key-path and --https-cert-path (related to https://github.com/cloudflare/workers-sdk/issues/1994)

[cloudflare-pages[bot]]

Deploying cloudflare-docs with    Cloudflare Pages

Latest commit:	9ae5f05
Status:	✅  Deploy successful!
Preview URL:	https://4d4e1cce.cloudflare-docs-7ou.pages.dev
Branch Preview URL:	https://carmen-missing-dev-flags.cloudflare-docs-7ou.pages.dev

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[github-actions[bot]]

Files with changes (up to 15)

Original Link	Updated Link
https://developers.cloudflare.com/workers/wrangler/commands/	https://carmen-missing-dev-flags.cloudflare-docs-7ou.pages.dev/workers/wrangler/commands/