chore: update to v3.7.7

Author: fky2015

bithesis.dtx

@@ -21,10 +21,10 @@
 %<thesis>\ProvidesExplClass{bithesis}
 %<report>\ProvidesExplClass{bitreport}
 %<beamer>\ProvidesExplClass{bitbeamer}
-%<cls>{2024-04-29}{3.7.6}{BIT Thesis Templates}
+%<cls>{2024-05-04}{3.7.7}{BIT Thesis Templates}
 %
 %<*driver>
-\ProvidesFile{bithesis.dtx}[2024/04/29 3.7.6 BIT Thesis Templates]
+\ProvidesFile{bithesis.dtx}[2024/05/04 3.7.7 BIT Thesis Templates]
 \documentclass[letterpaper]{l3doc}
 \usepackage{dtx-style}