v0.3.6-test4

Changes from the last test build:

• Added settings.json to the pico-examples repo
• Code cleanup, reorganization, and removed some un-needed checks and installers

Additional OpenOCD build based on 0.12.0-rc2 plus:

• https://review.openocd.org/c/openocd/+/7276
• https://review.openocd.org/c/openocd/+/7238
• https://review.openocd.org/c/openocd/+/7239
• https://review.openocd.org/c/openocd/+/7241
• https://review.openocd.org/c/openocd/+/7242