I have installed Oracle Developer Tools for VS Code and connected Oracle Explorer to my database.
I want to open code files with various file extension and execute the SQL or PL/SQL in them on the Oracle database.
I have added these file associations to VS Code so VS Code is recognizing the files:

I open a pck file (File/Open)
and hit run Run without Debugging and get

How can I execute it?
I am using
Version: 1.57.1 (Universal)
Commit: 507ce72a4466fbb27b715c3722558bb15afa9f48
Date: 2021-06-17T13:28:32.912Z (1 wk ago)
Electron: 12.0.7
Chrome: 89.0.4389.128
Node.js: 14.16.0
V8: 8.9.255.25-electron.0
OS: Darwin x64 20.4.0
Oracle Developer Tools for VS Code 19.3.4
Thank you,
Andrew Bloss