ci(ci): update deploy workflow comments to reflect changelog page source

.github/workflows/deploy.yml

@@ -30,10 +30,10 @@ jobs:
       - uses: oven-sh/setup-bun@v2 # skip if you use npm/pnpm
 
       - run: bun install --frozen-lockfile
-      # blume.config.ts pulls the /changelog pages from this repo's GitHub
-      # releases (githubReleases source) at build time. The token authenticates
-      # that fetch — required if the repo is private, and it lifts the shared
-      # runner's unauthenticated API rate limit. `contents: read` covers it.
+      # pages/changelog.astro reads this repo's GitHub releases at build time
+      # (apps/docs/lib/releases.ts). The token authenticates that fetch —
+      # required if the repo is private, and it lifts the shared runner's
+      # unauthenticated API rate limit. `contents: read` covers it.
       - run: bun run build
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}