Fix GHA missing libraries

Author: marcelzwiers

.github/workflows/tests.yml

@@ -36,7 +36,7 @@ jobs:
         if: runner.os != 'Windows'
         run: |
           if [ "$RUNNER_OS" == "Linux" ]; then
-            apt update && apt install qt6-base-dev
+            apt update && apt install qt6-base-dev libegl1 libegl-mesa0 libgl1-mesa-glx
             mkdir dcm2niix_install/ && cd dcm2niix_install/
             curl -fLO https://github.com/rordenlab/dcm2niix/releases/latest/download/dcm2niix_lnx.zip
             unzip dcm2niix*.zip

docs/_static/dictionary-custom.txt

@@ -291,6 +291,7 @@ rebranded
 refactoring
 regex
 regressor
+regressors
 ruamel
 runindex
 runitem