Bump tailscale/github-action from 2 to 4

Bumps [tailscale/github-action](https://github.com/tailscale/github-action) from 2 to 4.
- [Release notes](https://github.com/tailscale/github-action/releases)
- [Commits](https://github.com/tailscale/github-action/compare/v2...v4)

---
updated-dependencies:
- dependency-name: tailscale/github-action
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build-and-deploy.yml

@@ -50,7 +50,7 @@ jobs:
           cache-to: type=gha,mode=max
 
       - name: Connect to Tailscale
-        uses: tailscale/github-action@v2
+        uses: tailscale/github-action@v4
         with:
           oauth-client-id: ${{ secrets.TAILSCALE_CLIENT_ID }}
           oauth-secret: ${{ secrets.TAILSCALE_CLIENT_SECRET }}

db/migrate/20260413005433_seed_platforms.rb

@@ -1,54 +0,0 @@
-class SeedPlatforms < ActiveRecord::Migration[8.1]
-  def up
-    platforms = [
-      # Nintendo
-      { name: "Nintendo Entertainment System", abbreviation: "NES", manufacturer: "Nintendo" },
-      { name: "Super Nintendo Entertainment System", abbreviation: "SNES", manufacturer: "Nintendo" },
-      { name: "Nintendo 64", abbreviation: "N64", manufacturer: "Nintendo" },
-      { name: "Nintendo GameCube", abbreviation: "GCN", manufacturer: "Nintendo" },
-      { name: "Nintendo Wii", abbreviation: "Wii", manufacturer: "Nintendo" },
-      { name: "Nintendo Wii U", abbreviation: "Wii U", manufacturer: "Nintendo" },
-      { name: "Nintendo Switch", abbreviation: "Switch", manufacturer: "Nintendo" },
-      { name: "Game Boy", abbreviation: "GB", manufacturer: "Nintendo" },
-      { name: "Game Boy Color", abbreviation: "GBC", manufacturer: "Nintendo" },
-      { name: "Game Boy Advance", abbreviation: "GBA", manufacturer: "Nintendo" },
-      { name: "Nintendo DS", abbreviation: "NDS", manufacturer: "Nintendo" },
-      { name: "Nintendo 3DS", abbreviation: "3DS", manufacturer: "Nintendo" },
-
-      # Sony
-      { name: "PlayStation", abbreviation: "PS1", manufacturer: "Sony" },
-      { name: "PlayStation 2", abbreviation: "PS2", manufacturer: "Sony" },
-      { name: "PlayStation 3", abbreviation: "PS3", manufacturer: "Sony" },
-      { name: "PlayStation 4", abbreviation: "PS4", manufacturer: "Sony" },
-      { name: "PlayStation 5", abbreviation: "PS5", manufacturer: "Sony" },
-      { name: "PlayStation Portable", abbreviation: "PSP", manufacturer: "Sony" },
-      { name: "PlayStation Vita", abbreviation: "Vita", manufacturer: "Sony" },
-
-      # Microsoft
-      { name: "Xbox", abbreviation: "Xbox", manufacturer: "Microsoft" },
-      { name: "Xbox 360", abbreviation: "X360", manufacturer: "Microsoft" },
-      { name: "Xbox One", abbreviation: "XB1", manufacturer: "Microsoft" },
-      { name: "Xbox Series X/S", abbreviation: "XSX", manufacturer: "Microsoft" },
-
-      # Sega
-      { name: "Sega Genesis", abbreviation: "Genesis", manufacturer: "Sega" },
-      { name: "Sega Saturn", abbreviation: "Saturn", manufacturer: "Sega" },
-      { name: "Sega Dreamcast", abbreviation: "DC", manufacturer: "Sega" },
-      { name: "Sega Game Gear", abbreviation: "GG", manufacturer: "Sega" },
-
-      # PC
-      { name: "PC", abbreviation: "PC", manufacturer: nil },
-
-      # Other
-      { name: "Atari 2600", abbreviation: "2600", manufacturer: "Atari" }
-    ]
-
-    platforms.each do |platform|
-      Platform.create!(platform)
-    end
-  end
-
-  def down
-    Platform.delete_all
-  end
-end