placeholder for version in protobuf install steps

Signed-off-by: Philipp Rosenberger <philipp.rosenberger@partner.bmw.de>

Author: PhRosenberger

doc/setup/installing_prerequisites.adoc

@@ -62,11 +62,11 @@ A common error here is to just install _protobuf_ with apt and link against it.
 This means that your OSI is build statically but still linking dynamically against _protobuf_.
 Here, again either _protobuf_ has to build statically from source or some solution e.g. vcpkg needs to be utilized. We recommend the following (as in the README of the OSI project):
 
-Install _protobuf_ (version 3.0.0 or higher) from source with `CXXFLAGS="-fPIC"` to allow static linking of your OSI FMUs (here exemplary for Release `v21.12` a.k.a. _protobuf_ 3.21.12):
+Install _protobuf_ (version 3.0.0 or higher) from source with `CXXFLAGS="-fPIC"` to allow static linking of your OSI FMUs (replace <version> with preferred release):
 ----
-wget https://github.com/protocolbuffers/protobuf/releases/download/<v21.12>/protobuf-all-21.12.tar.gz
-tar -xzf protobuf-all-21.12.tar.gz
-cd protobuf-21.12/
+wget https://github.com/protocolbuffers/protobuf/releases/download/<version>/protobuf-all-<version>.tar.gz
+tar -xzf protobuf-all-<version>.tar.gz
+cd protobuf-<version>/
 ./configure --disable-shared CXXFLAGS="-fPIC"
 make
 sudo make install