ci(deps): bump anomalyco/opencode/github from 1.18.30 to 2.0.0 in the all-actions group

[dependabot]

Bumps the all-actions group with 1 update: anomalyco/opencode/github.

Updates anomalyco/opencode/github from 1.18.30 to 2.0.0

Commits

• 63f7cee fix(release): use V2 Docker artifact paths (#48571)
• 770420b fix(release): omit node CLI from latest (#48568)
• 4994a7d fix(release): sign primary Windows CLI (#48567)
• c55ee2a fix(release): sign v2 Windows CLI (#48566)
• 312651f feat(tui): configure session permission handling (#48545)
• 654f411 feat(release): isolate v2 stable publishing (#48546)
• 68b862d refactor(codemode): make functions program objects with name and length (#48541)
• 8f2b13e fix(tui): display slash command aliases (#48544)
• bb564f9 feat(cli): rename command to opencode
• a555f24 refactor: flatten provider settings across core and the AI package (#48429)
• Additional commits viewable in compare view

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[dyoshikawa]

All checks passed (Build binaries, Code Quality & Tests, E2E x3, External Contributor Policy, Lint GitHub Actions Workflows, Trivy Config Scan; CodeQL skipped as usual for Dependabot PRs). This is a major bump of anomalyco/opencode/github (v1.18.30 -> v2.0.0); the v2.0.0 action.yml still accepts every input draft-release.yml passes (model, use_github_token, share, prompt), so it was merged as-is via the babysit-dependabot-pr flow.