[Snyk] Upgrade eu.clarin.weblicht:wlfxb from 1.3.1 to 1.4.3

[WillemElbers]

This PR was automatically created by Snyk using the credentials of a real user.

Snyk has created this PR to upgrade eu.clarin.weblicht:wlfxb from 1.3.1 to 1.4.3.

:information_source: Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.

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- The recommended version is **6 versions** ahead of your current version. - The recommended version was released **2 years ago**, on 2020-02-03.

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[Querela]

In #51 . Note, CellType now an Enum instead of accessed as Cell attributes. Slight rewrite.