Fix Check Image Tags (Last Release) CI: remove Ruby 3.2 EOL variants, update universal to v6

Agent-Logs-Url: https://github.com/devcontainers/templates/sessions/13a16d95-5ae0-465f-a553-f5dfb0da38b0

Co-authored-by: Kaniska244 <[email protected]>

Author: Copilot

src/ruby-rails-postgres/devcontainer-template.json

@@ -14,14 +14,11 @@
                 "4-trixie",
                 "3.4-trixie",
                 "3.3-trixie",
-                "3.2-trixie",				
                 "4-bookworm",
                 "3.4-bookworm",
                 "3.3-bookworm",
-                "3.2-bookworm",
                 "3.4-bullseye",				
-                "3.3-bullseye",
-                "3.2-bullseye"
+                "3.3-bullseye"
             ],
 			"default": "4-trixie"
         }	

src/ruby/devcontainer-template.json

@@ -14,14 +14,11 @@
                 "4-trixie",
                 "3.4-trixie",				
                 "3.3-trixie",
-                "3.2-trixie",				
                 "4-bookworm",
                 "3.4-bookworm",				
                 "3.3-bookworm",
-                "3.2-bookworm",
                 "3.4-bullseye",				
-                "3.3-bullseye",
-                "3.2-bullseye"
+                "3.3-bullseye"
             ],
             "default": "4-trixie"
         }

src/universal/.devcontainer/devcontainer.json

@@ -3,7 +3,7 @@
 {
 	"name": "Default Linux Universal",
 	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
-	"image": "mcr.microsoft.com/devcontainers/universal:5-linux"
+	"image": "mcr.microsoft.com/devcontainers/universal:6-linux"
 
 	// Features to add to the dev container. More info: https://containers.dev/features.
 	// "features": {},