fix initial launch config casing (#1781)

Author: TylerLeonhardt

package.json

@@ -458,15 +458,15 @@
         "initialConfigurations": [
           {
             "name": "PowerShell Launch Current File",
-            "type": "powershell",
+            "type": "PowerShell",
             "request": "launch",
             "script": "${file}",
             "args": [],
             "cwd": "${file}"
           },
           {
             "name": "PowerShell Launch Current File in Temporary Console",
-            "type": "powershell",
+            "type": "PowerShell",
             "request": "launch",
             "script": "${file}",
             "args": [],
@@ -475,7 +475,7 @@
           },
           {
             "name": "PowerShell Launch Current File w/Args Prompt",
-            "type": "powershell",
+            "type": "PowerShell",
             "request": "launch",
             "script": "${file}",
             "args": [
@@ -485,14 +485,14 @@
           },
           {
             "name": "PowerShell Attach to Host Process",
-            "type": "powershell",
+            "type": "PowerShell",
             "request": "attach",
             "processId": "${command:PickPSHostProcess}",
             "runspaceId": 1
           },
           {
             "name": "PowerShell Interactive Session",
-            "type": "powershell",
+            "type": "PowerShell",
             "request": "launch",
             "cwd": ""
           }