Add python version to the header of the CSV

[kdvalin]

Description

This PR adds the python version to the Results version in the CSV header.

This is so that we can easily identify what version of python was used for a particular run.

Before/After Comparison

Before Header

# Test general meta start
# Test: pyperf
# Results version: 1.11.0
# Sys environ: local
# Tuned: throughput-performance
# OS: 5.14.0-427.22.1.el9_4.aarch64
# Test general meta end

After Header

# Test general meta start
# Test: pyperf
# Results version: py3.9.21_1.11.0
# Sys environ: local
# Tuned: throughput-performance
# OS: 5.14.0-427.22.1.el9_4.aarch64
...
# Test general meta end

Clerical Stuff

This closes #17

Relates to JIRA: RPOPC-252

[github-actions]

This relates to RPOPC-252

[dvalinrh]

LGTM