actions: Add Tiobe TICS cron job

[claudiubelu]

Overview

This commit adds:

• the necessary tox env targets for generating Cobertura coverage report XML format
• a GitHub Workflow which runs the unit tests with coverage enabled, and calls the TICSServer to upload the analysis results

Rationale

Workflow will allow for daily automatic code quality report uploads to Tiobe

Juju Events Changes

N/A

Module Changes

N/A

Library Changes

N/A

Checklist

• The charm style guide was applied
• The contributing guide was applied
• The changes are compliant with ISD054 - Managing Charm Complexity
• The documentation is generated using src-docs
• The documentation for charmhub is updated
• The PR is tagged with appropriate label (urgent, trivial, complex)

[claudiubelu]

Inspired by PR: #172

[github-actions]

Test coverage for 874329d

coverage-report: install_deps /home/runner/work/k8s-operator/k8s-operator/charms/worker/k8s> python -I -m pip install 'coverage[toml]'
coverage-report: commands[0] /home/runner/work/k8s-operator/k8s-operator/charms/worker/k8s> coverage report
Name                                    Stmts   Miss  Cover
-----------------------------------------------------------
lib/charms/k8s/v0/k8sd_api_manager.py     286     29    90%
src/charm.py                              501    260    48%
src/cloud_integration.py                   80      3    96%
src/config/extra_args.py                   31      2    94%
src/containerd.py                         140     22    84%
src/cos_integration.py                     33     12    64%
src/events/update_status.py                68     24    65%
src/inspector.py                           41      4    90%
src/kube_control.py                        43     32    26%
src/literals.py                            25      0   100%
src/protocols.py                           28      5    82%
src/reschedule.py                          77      4    95%
src/snap.py                               193     29    85%
src/token_distributor.py                  181    109    40%
src/upgrade.py                            108     48    56%
-----------------------------------------------------------
TOTAL                                    1835    583    68%
coverage-report: OK (1.49=setup[1.23]+cmd[0.27] seconds)
congratulations :) (1.67 seconds)

Static code analysis report

Run started:2025-01-15 08:48:53.897003

Test results:
  No issues identified.

Code scanned:
  Total lines of code: 3910
  Total lines skipped (#nosec): 3
  Total potential issues skipped due to specifically being disabled (e.g., #nosec BXXX): 0

Run metrics:
  Total issues (by severity):
  	Undefined: 0
  	Low: 0
  	Medium: 0
  	High: 0
  Total issues (by confidence):
  	Undefined: 0
  	Low: 0
  	Medium: 0
  	High: 0
Files skipped (0):

[bschimke95]

LGTM