Update extension recommendations due to publisher id change

.vscode/extensions.json

@@ -2,7 +2,7 @@
   // See https://go.microsoft.com/fwlink/?LinkId=827846
   // for the documentation about the extensions.json format
   "recommendations": [
-    "eamodio.tsl-problem-matcher",
+    "amodio.tsl-problem-matcher",
     "arcanis.vscode-zipfs"
   ]
 }