Fix broken jobs status badge in README.md

The syntax for status badge of GitHub actions has changed.
Because of that when users opened the repository in the
browser they saw empty image with a question mark.

This change fixes that and embeds the status badge for
functional tests and unit tests.

Signed-off-by: Patryk Wrobel <[email protected]>

README.md

@@ -1,4 +1,4 @@
-# Gluecodium [![Build Status](https://github.com/heremaps/gluecodium/workflows/CI/badge.svg)](https://github.com/heremaps/gluecodium/actions) [![Release](https://jitpack.io/v/heremaps/gluecodium.svg)](https://jitpack.io/#heremaps/gluecodium)
+# Gluecodium [![Unit tests](https://github.com/heremaps/gluecodium/actions/workflows/unit-tests.yml/badge.svg)](https://github.com/heremaps/gluecodium/actions/workflows/unit-tests.yml)[![Functional tests](https://github.com/heremaps/gluecodium/actions/workflows/functional-tests.yml/badge.svg)](https://github.com/heremaps/gluecodium/actions/workflows/functional-tests.yml) [![Release](https://jitpack.io/v/heremaps/gluecodium.svg)](https://jitpack.io/#heremaps/gluecodium)
 
 Gluecodium **generates C++, Java**, **Swift**, and **Dart** code. The main purpose is generating C++ interfaces and
 corresponding Java/Swift/Dart bindings for **Android**/**iOS**/**Flutter** respectively, but other platforms like **macOS**
@@ -66,6 +66,6 @@ inconsistent cache).
 
 ## License
 
-Copyright (C) 2016-2020 HERE Europe B.V.
+Copyright (C) 2016-2025 HERE Europe B.V.
 
 See the [LICENSE](./LICENSE) file in the root of this project for license details.