Update actions/upload-artifact action to v4.3.1

Author: renovate[bot]

.github/workflows/2023-PyConIT-workflow.yaml

@@ -81,7 +81,7 @@ jobs:
         run:
           python 2023_PyConIT/src/assemble_plots.py
       - name: Archive PDF
-        uses: actions/upload-artifact@c7d193f32edcb7bfad88892161225aeda64e9392 # v4.0.0
+        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4.3.1
         with:
           name: gallery.pdf
           path: 2023_PyConIT/results/gallery.pdf

.github/workflows/2023-PyData_Berlin-python-pdf-workflow.yaml

@@ -82,7 +82,7 @@ jobs:
         run:
           python 2023_PyData_Berlin/src/assemble_plots.py
       - name: Archive PDF
-        uses: actions/upload-artifact@c7d193f32edcb7bfad88892161225aeda64e9392 # v4.0.0
+        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4.3.1
         with:
           name: gallery.pdf
           path: 2023_PyData_Berlin/results/gallery.pdf