Merge branch 'flameshot-org-master' into bugfix/memory-leak

# Conflicts:
#	.github/workflows/Linux-pack.yml
#	CMakeLists.txt
#	data/graphics.qrc
#	src/config/configwindow.cpp
#	src/tools/imgur/imguruploader.cpp

.github/workflows/Windows-pack.yml

@@ -55,11 +55,19 @@ jobs:
         type: [portable, installer]
     steps:
       - name: Checkout Source code
+        if: github.event_name == 'push'
         uses: actions/checkout@v2
         with:
           fetch-depth: 0
 #          ref: master
 
+      - name: Checkout Source code
+        if: github.event_name == 'pull_request'
+        uses: actions/checkout@v2
+        with: 
+          fetch-depth: 0
+          ref: ${{ github.event.pull_request.head.sha }}
+
       - name: Set env & Print flameshot version
         shell: bash
         run: |