ci(Mergify): configuration update

Signed-off-by: Charles Olivier Savignac <sircharlo@gmail.com>

.mergify.yml

@@ -0,0 +1,16 @@
+pull_request_rules:
+  - name: Automatic merge for trusted authors and dependabot
+    conditions:
+      - or:
+          - author=mtdvlpr
+          - author=sircharlo
+          - and:
+              - author=dependabot[bot]
+              - or:
+                 - title~=^Bump [^\s]+ from ([\d]+)\..+ to \1\.
+                 - title~=^chore\(deps\). bump [^\s]+ from ([\d]+)\..+ to \1\.
+                 - title~=^chore\(deps-dev\). bump [^\s]+ from ([\d]+)\..+ to \1\.
+    actions:
+      update:
+      merge:
+        method: squash