CHG: Update README.md for Conan 2

README.md

@@ -12,13 +12,21 @@ Integration tests for caosdb-cpplib and the caosdb-server
 
 # Run tests
 
-## Prerequisite
+## Prerequisites
+
 Create a local conan package from the caosdb-cpplib repository
 
 ## Build & Execution
-1. `mkdir build && cd build/`
-2. `conan install .. -s "compiler.libcxx=libstdc++11"`
-3. `cmake -B . ..`
+
+```
+make test-release
+```
+
+or manually via
+
+1. `conan install . -s build_type=<Debug/Release> --build=missing`
+2. `cmake --preset conan-<debug/release>`
+3. `cd build <Debug/Release>`
 4. `cmake --build .`
 5. Provide client configuration at `~/.caosdb-client.json` or via any other method described in the docs.
 6. There are tests which need access to the server's certificate file. Define