Npm audit fix

This solves some vulnerabilities in the `diff` and `minimatch` dependencies. See the output from `npm audit`:

    $ npm audit
    # npm audit report

    diff  5.0.0 - 5.2.1
    jsdiff has a Denial of Service vulnerability in parsePatch and applyPatch - GHSA-73rr-hh4g-fpgx
    fix available via `npm audit fix`
    node_modules/diff

    minimatch  5.0.0 - 5.1.6 || 9.0.0 - 9.0.5
    Severity: high
    minimatch has a ReDoS via repeated wildcards with non-matching literal in pattern - GHSA-3ppc-4f35-3m26
    minimatch has a ReDoS via repeated wildcards with non-matching literal in pattern - GHSA-3ppc-4f35-3m26
    fix available via `npm audit fix`
    node_modules/glob/node_modules/minimatch
    node_modules/minimatch

    2 vulnerabilities (1 low, 1 high)

    To address all issues, run:
      npm audit fix

Author: roback