'iox::string' tests can exceed the translation unit compilation timeout

[elBoberido]

Required information

Operating system:
Ubuntu 22.04 LTS

Compiler version:
GCC 11.4

Eclipse iceoryx version:
main branch

Observed result or behaviour:
The compilation timed out when processing test_vocabulary_string.cpp

Expected result or behaviour:
No compilation timeout

Conditions where it occurred / Performed steps:
Sporadically on Ubuntu 22.04

Additional helpful information

If there is a core dump, please run the following command and add the output to the issue in a separate comment

gdb --batch \
   --ex "shell printf '\n\033[33m#### Local Variables ####\033[m\n'"  --ex "info locals" \
   --ex "shell printf '\n\033[33m#### Threads ####\033[m\n'"          --ex "info threads" \
   --ex "shell printf '\n\033[33m#### Shared Libraries ####\033[m\n'" --ex "info sharedlibrary" \
   --ex "shell printf '\n\033[33m#### Stack Frame ####\033[m\n'"      --ex "info frame" \
   --ex "shell printf '\n\033[33m#### Register ####\033[m\n'"         --ex "info register" \
   --ex "shell printf '\n\033[33m#### Backtrace ####\033[m'"          --ex "thread apply all bt" \
   --core coreDumpFile binaryFile