Update ruby VSCode extensions for debugging (#20816)

The 'rebornix.Ruby' extension is deprecated. I replaced with the
'Shopify.ruby-lsp' extension since VSCode's Ruby docs pointed
users to ruby-lsp, see https://code.visualstudio.com/docs/languages/ruby.

.vscode/extensions.json

@@ -13,5 +13,6 @@
     "waderyan.nodejs-extension-pack",
     "koichisasada.vscode-rdbg",
     "ms-edgedevtools.vscode-edge-devtools",
+    "shopify.ruby-lsp",
   ]
 }

.vscode/launch.json

@@ -26,51 +26,21 @@
       "webRoot": "${workspaceFolder}/app/javascript/packs"
     },
     {
-      "name": "Debug Local File",
-      "type": "Ruby",
-      "request": "launch",
-      "cwd": "${workspaceRoot}",
-      "program": "${workspaceRoot}/main.rb"
-    },
-    {
-      "name": "Listen for rdebug-ide",
-      "type": "Ruby",
-      "request": "attach",
-      "cwd": "${workspaceRoot}",
-      "remoteHost": "127.0.0.1",
-      "remotePort": "1234",
-      "remoteWorkspaceRoot": "${workspaceRoot}"
-    },
-    {
-      "name": "Rails server",
-      "type": "Ruby",
-      "request": "launch",
-      "cwd": "${workspaceRoot}",
-      "program": "${workspaceRoot}/bin/rails",
-      "args": ["server"]
+      "name": "Attach to Existing Server",
+      "type": "ruby_lsp",
+      "request": "attach"
     },
     {
       "name": "RSpec - all",
-      "type": "Ruby",
+      "type": "ruby_lsp",
       "request": "launch",
-      "cwd": "${workspaceRoot}",
       "program": "${workspaceRoot}/bin/rspec",
-      "args": ["-I", "${workspaceRoot}"]
     },
     {
       "name": "RSpec - active spec file only",
-      "type": "Ruby",
+      "type": "ruby_lsp",
       "request": "launch",
-      "cwd": "${workspaceRoot}",
-      "program": "${workspaceRoot}/bin/rspec",
-      "args": ["-I", "${workspaceRoot}", "${file}"]
-    },
-    {
-      "name": "Cucumber",
-      "type": "Ruby",
-      "request": "launch",
-      "cwd": "${workspaceRoot}",
-      "program": "${workspaceRoot}/bin/cucumber"
+      "program": "${workspaceRoot}/bin/rspec ${file}",
     },
     {
       "name": "Jest Current File",

.vscode/settings.json

@@ -1,11 +1,4 @@
 {
-  "ruby.useBundler": true,
-  "ruby.useLanguageServer": true,
-  "ruby.lint": {
-    "rubocop": {
-      "useBundler": true
-    }
-  },
-  "ruby.format": "rubocop",
-  "ruby.intellisense": "rubyLocate"
+  "rubyLsp.rubyVersionManager": "auto",
+  "rubyLsp.formatter": "rubocop",
 }