Remove obsolete "version" value from example docker-compose.yml in README.md

[lemondjeff]

This is a: Bug

Details

Version in docker-compose.yml files has been obsolete for quite some time now. Per the documentation:

Compose doesn't use version to select an exact schema to validate the Compose file, but prefers the most recent schema when it's implemented.

Related Issues

• I have searched this repository/Pi-hole forums for existing issues and pull requests that look similar

How to reproduce the issue

View docker-pi-hole's README.md and note that the example docker-compose.yml includes an unnecessary version entry.

[github-actions]

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