run tests with Python 3.11

CHANGELOG.md

@@ -23,6 +23,7 @@
 - Only warn when checking that the pipeline directory contains a `main.nf` and a `nextflow.config` file if the pipeline is not an nf-core pipeline [#1964](https://github.com/nf-core/tools/pull/1964)
 - Add file `versions.yml` when generating `test.yml` with `nf-core modules create-test-yml` but don't check for md5sum [#1963](https://github.com/nf-core/tools/pull/1963)
 - Mock biocontainers and anaconda api calls in modules and subworkflows tests [#1967](https://github.com/nf-core/tools/pull/1967)
+- Run tests with Python 3.11 ([#1970](https://github.com/nf-core/tools/pull/1970))
 
 ### Modules