chore(deps): update dependency gcovr to v8.4 (#559)

Co-authored-by: serious-scaffold[bot] <160990600+serious-scaffold[bot]@users.noreply.github.com>

Author: serious-scaffold[bot]

.github/workflows/ci.yml

@@ -332,7 +332,7 @@ jobs:
 
       - name: Prepare for gcovr
         run: |
-          pip install gcovr==8.3
+          pip install gcovr==8.4
 
       - name: Configure CMake
         run: >

template/[% if repo_platform == 'github' %].github[% endif %]/workflows/ci.yml.jinja

@@ -348,7 +348,7 @@ jobs:
 
       - name: Prepare for gcovr
         run: |
-          pip install gcovr==8.3
+          pip install gcovr==8.4
 
       - name: Configure CMake
         run: >