Adding upstream version 4.6.0+dfsg.

Signed-off-by: Daniel Baumann <daniel@debian.org>

.github/dependabot.yml

@@ -0,0 +1,24 @@
+version: 2
+updates:
+  -
+    # Maintain dependencies for GitHub Actions
+    package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: daily
+    labels:
+      - dependencies
+    commit-message:
+      prefix: "ci"
+      include: "scope"
+  -
+    # Maintain python dependencies
+    package-ecosystem: pip
+    directory: /
+    schedule:
+      interval: daily
+    labels:
+      - dependencies
+    commit-message:
+      prefix: "build"
+      include: "scope"