2.0.4 Bump version in library.properties

What's Changed

• Update version number to 2.0.4 by @tyeth in #18

Full Changelog: 2.0.3...2.0.4

2.0.3 - Updated CI Actions versions

Update CI action versions

2.0.2 - Updated README

Bump to 2.0.2

2.0.1 - Added license and updated setBacklight()

Bumped to 2.0.1

2.0.0 - Cleanup and refactor

• Remove utility/Adafruit_MCP23008.* and replace with Adafruit MCP23017 Arduino Library dependency.
• Rewrite I2C code to use new MCP lib dep.
• Allow both actual I2C address and original offset specification.
• Allow passing in specific Wire instance.
• Renamed all examples to have .ino extension.
• Updated HelloWorld_i2c.ino example.

1.1.0 - Moved to GitHub Actions, fully documented with doxygen

Merge pull request #13 from adafruit/actionci

Moved to actions, documented with doxygen

1.0.1

Update library.properties

Initial release for Arduino library manager

Initial release for Arduino library manager system.