docs: library versions bumped in the docs

README.md

@@ -7,7 +7,7 @@
 [![GitHub Workflow Documentation](https://img.shields.io/github/actions/workflow/status/mpusz/mp-units/documentation.yml?branch=master&label=Documentation)](https://github.com/mpusz/mp-units/actions?query=workflow%3ADocumentation+branch%3Amaster)
 
 [![Conan stable](https://img.shields.io/conan/v/mp-units?label=ConanCenter&color=blue)](https://conan.io/center/mp-units)
-[![Conan testing](https://img.shields.io/badge/mpusz.jfrog.io-2.0.0%3Atesting-blue)](https://mpusz.jfrog.io/ui/packages/conan:%2F%2Fmp-units/2.0.0)
+[![Conan testing](https://img.shields.io/badge/mpusz.jfrog.io-2.1.0%3Atesting-blue)](https://mpusz.jfrog.io/ui/packages/conan:%2F%2Fmp-units/2.1.0)
 
 
 # `mp-units` - A Physical Quantities and Units library for C++

docs/getting_started/installation_and_usage.md

@@ -287,7 +287,7 @@ To obtain an official library release, the following steps may be performed:
 
     ```ini title="conanfile.txt"
     [requires]
-    mp-units/0.8.0
+    mp-units/2.0.0
 
     [layout]
     cmake_layout
@@ -344,7 +344,7 @@ with the following differences:
 
     ```ini title="conanfile.txt" hl_lines="2"
     [requires]
-    mp-units/2.0.0@mpusz/testing
+    mp-units/2.1.0@mpusz/testing
 
     [layout]
     cmake_layout