[lldb-dap] Add missing debugAdapterEnv into attach configuration

Author: royitaqi

lldb/tools/lldb-dap/package.json

@@ -672,6 +672,29 @@
                 },
                 "markdownDescription": "The list of additional arguments used to launch the debug adapter executable. Overrides any user or workspace settings."
               },
+              "debugAdapterEnv": {
+                "anyOf": [
+                  {
+                    "type": "object",
+                    "markdownDescription": "Additional environment variables to set when launching the debug adapter executable. E.g. `{ \"FOO\": \"1\" }`",
+                    "patternProperties": {
+                      ".*": {
+                        "type": "string"
+                      }
+                    },
+                    "default": {}
+                  },
+                  {
+                    "type": "array",
+                    "markdownDescription": "Additional environment variables to set when launching the debug adapter executable. E.g. `[\"FOO=1\", \"BAR\"]`",
+                    "items": {
+                      "type": "string",
+                      "pattern": "^((\\w+=.*)|^\\w+)$"
+                    },
+                    "default": []
+                  }
+                ]
+              },
               "program": {
                 "type": "string",
                 "description": "Path to the program to attach to."