pyproject: Fix optional dependencies install variants

pip install wartungsplan[otrs]

pip install wartungsplan[otrs,exchange]

to install optional dependencies as dependencies.

Author: Felix Bauer

.github/workflows/testsuite.yml

@@ -29,7 +29,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         pip install .
-        pip install -r dev-requirements.txt
+        pip install ".[otrs,exchange]"
 
     - name: Run the testsuite
       run: test/test.py

DEVELOPMENT.md

@@ -5,8 +5,7 @@
 ```
 source venv/bin/activate
 # install optional dependencies
-pip install pyotrs
-pip install exchangelib
+pip install ".[otrs,exchange]"
 test/test.py
 ```
 

README.md

@@ -221,7 +221,7 @@ For documentation on how to set up the OTRS side please refer to pyotrs
 documentation: <https://pypi.org/project/PyOTRS/>
 
 Install optional depenency:
-    pip install pyotrs
+    pip install wartungsplan[otrs]
 
 The config file:
 

dev-requirements.txt

@@ -3,5 +3,3 @@ build==1.2.1
 twine==5.1.1
 
 # optional dependencies
-pyotrs==1.4.0
-exchangelib==5.4.2

pyproject.toml

@@ -26,10 +26,8 @@ dependencies = [
 ]
 
 [project.optional-dependencies]
-otrs = [
-	"pyotrs==1.4.0",
-	"exchangelib==5.4.1"
-]
+otrs = [ "pyotrs==1.4.0" ]
+exchange = [ "exchangelib==5.4.2" ]
 
 [project.urls]
 repository = "https://github.com/science-computing/wartungsplan"