ci(Mergify): configuration update

.mergify.yml

@@ -0,0 +1,54 @@
+pull_request_rules:
+
+  - name: Add CI label
+    conditions:
+      - or:
+          - "title~=^tox:"
+          - "title~=^ci:"
+          - "files~=tox.ini"
+          - "files~=tests"
+    actions:
+      label:
+        add:
+          - ci
+
+  - name: Add Mergify label
+    conditions:
+      - or:
+          - "title~=^mergify:"
+          - "files~=.mergify.yml$"
+    actions:
+      label:
+        add:
+          - mergify
+
+  - name: Add Documentation label
+    conditions:
+      - or:
+          - "title~=^docs:"
+          - "files~=docs"
+          - "files~=.rst$"
+    actions:
+      label:
+        add:
+          - documentation
+
+  - name: Automatic merge on approval
+    conditions:
+      - and:
+        - "check-success=style (docs)"
+        - "check-success=style (style)"
+        - "check-success=style (pkglint)"
+        - "check-success=Test macOS (3.8)"
+        - "check-success=Test macOS (3.9)"
+        - "check-success=Test macOS (3.10)"
+        - "check-success=Test macOS (3.11)"
+        - "check-success=Test Ubuntu (3.8)"
+        - "check-success=Test Ubuntu (3.9)"
+        - "check-success=Test Ubuntu (3.10)"
+        - "check-success=Test Ubuntu (3.11)"
+        - "check-success=Test Zsh"
+        - "-draft"
+    actions:
+      merge:
+        method: merge