[gjkim42]

What type of PR is this?

/kind cleanup

What this PR does / why we need it:

Upgrade cloudflared from 2026.7.1 to 2026.10.5 in the
development deployment workflow and update the SHA-256 pin for the
Debian package to match the official release.

Which issue(s) this PR is related to:

N/A

Special notes for your reviewer:

Validation:

• Downloaded the artifact and verified its SHA-256 against the published
  release digest and the workflow pin.
• Extracted the Debian package and ran cloudflared --version: 2026.10.5.
• Parsed the workflow YAML and passed git diff --check.

Full application tests were not run; only workflow dependency pins changed.

Does this PR introduce a user-facing change?

NONE

---

Summary by cubic

Upgrades cloudflared to 2026.10.5 in the development deployment workflow and updates the Debian package SHA-256 pin to match the official release digest.

• The workflow downloads the Debian package via CLOUDFLARED_VERSION and verifies it against CLOUDFLARED_DEB_SHA256; both now reference the new release.
• The pin was verified against the published release digest, and the extracted binary reports 2026.10.5.

^{Written for commit d709291. Summary will update on new commits.}