deps: bump pygments to 2.20.0 (fix ReDoS GHSA-5239-wwwm-4pmq)#6
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Resolves Dependabot alert #2. Pygments <2.20.0 has a ReDoS vulnerability in its GUID-matching regex. It is a dev-only transitive dependency (via pytest), so Dependabot could not auto-open a fix PR; pinned directly in the lockfile via 'uv lock --upgrade-package pygments'.
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What
Bumps
pygments2.19.2→2.20.0inuv.lock.Why
Resolves Dependabot alert #2 — Pygments < 2.20.0 has a Regular Expression Denial of Service (ReDoS) via an inefficient GUID-matching regex (GHSA-5239-wwwm-4pmq, low severity).
pygmentsis a dev-only transitive dependency (pulled in bypytest), so Dependabot could not auto-open a fix PR: it isn't a direct dependency to bump, and the parent (pytest 9.0.3) doesn't force the upgrade. Pinned directly viauv lock --upgrade-package pygments.Verification
uv.lockchanged (pygments entry only)uv sync+uv run pytest→ 63 passedReal-world risk is low (ReDoS only matters on attacker-controlled input to the GUID lexer, which doesn't occur in a test runner), but this clears the open alert.