Fix rp2040 pio tool download

[jesserockz]

What does this implement/fix?

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Other

Related issue or feature (if applicable): fixes esphome/issues#4596

Pull request in esphome-docs with documentation (if applicable): esphome/esphome-docs#

Test Environment

• ESP32
• ESP32 IDF
• ESP8266
• RP2040

Example entry for config.yaml:

# Example config.yaml
esphome:
  name: rp2040-led

rp2040:
  board: rpipicow
  framework:
    platform_version: https://github.com/maxgerhardt/platform-raspberrypi.git

light:
  - platform: rp2040_pio_led_strip
    chipset: ws2812
    pin: GPIO2
    num_leds: 8
    rgb_order: GRB
    pio: 1
    id: pixels

external_components:
  - source: github://pr#4994
    components: [rp2040, rp2040_pio, rp2040_pio_led_strip]
	refresh: always

Checklist:

• The code change is tested and works locally.
• Tests have been added to verify that the new code works (under tests/ folder).

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated in esphome-docs.

[probot-esphome]

Hey there @Papa-DMan, mind taking a look at this pull request as it has been labeled with an integration (rp2040_pio_led_strip) you are listed as a code owner for? Thanks!
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[probot-esphome]

Hey there @jesserockz,
Thanks for submitting this pull request! Can you add yourself as a codeowner for this integration? This way we can notify you if a bug report for this integration is reported.
In __init__.py of the integration, please add:

CODEOWNERS = ["@jesserockz"]

And run script/build_codeowners.py

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