Increase release number

exercises/special-characters/task.tex

@@ -1,6 +1,5 @@
 \section{Insert special characters}
 
-\todo{Adjust to new page layout.}
 For this task, we are using the file \file{exercises/special-characters.tex}.
 To be able to see your results here within the exercise script,
 compile the \file{main-exercises.tex} file.

imprint.tex

@@ -6,7 +6,7 @@
 
 \begin{tabular}{@{}lp{9cm}}
 	& \subsubsection*{Imprint} \\
-	& The \LaTeX{} Script (version 1.2 from June 18th, 2022) has been assembled by the Student Council of the Information Systems and Applied Computer Sciences Faculty (Fachschaft \acro{WIAI}) at the University of Bamberg. \\
+	& The \LaTeX{} Script (version 1.4 from April 28th, 2023) has been assembled by the Student Council of the Information Systems and Applied Computer Sciences Faculty (Fachschaft \acro{WIAI}) at the University of Bamberg. \\
 	& It is licensed under Creative Commons \enquote{Attribution-ShareAlike 4.0 International} (CC BY-SA 4.0): \\
 	\href{http://creativecommons.org/licenses/by-sa/4.0/}{\includegraphics[height=.5cm]{graphics/cc-by-sa}} & \url{http://creativecommons.org/licenses/by-sa/4.0/} \\ \\
 	& Upon request, allowances exceeding the limitations of this license may be granted.