Release v0.3.2

Changes in v0.3.2

• v0.3.2: self-hosted README badges (d0160b7)
• ci: exclude own packages from the Dependabot cooldown (905ed7c)
• ci: add age-gated Dependabot version updates (gomod + github-actions) (baa1ba9)
• docs: drop Codecov mention from the latest changelog entry (452b947)
• build: restore coverage.txt cleanup in the test-coverage target (5566455)
• ci: remove Codecov upload wiring from pipeline.yml (ad9883b)

Full Changelog: v0.3.1...v0.3.2