Update mergify config

Author: benjeffery

.mergify.yml

@@ -5,13 +5,13 @@ queue_rules:
       - "#changes-requested-reviews-by=0"
       - status-success=Docs
       - status-success=Lint
-      - status-success=Python (3.7, macos-latest)
+      - status-success=Python (3.8, macos-latest)
       - status-success=Python (3.9, macos-latest)
       - status-success=Python (3.11, macos-latest)
-      - status-success=Python (3.7, ubuntu-latest)
+      - status-success=Python (3.8, ubuntu-latest)
       - status-success=Python (3.9, ubuntu-latest)
       - status-success=Python (3.11, ubuntu-latest)
-      - status-success=Python (3.7, windows-latest)
+      - status-success=Python (3.8, windows-latest)
       - status-success=Python (3.9, windows-latest)
       - status-success=Python (3.11, windows-latest)
       - "status-success=ci/circleci: build"
@@ -25,13 +25,13 @@ pull_request_rules:
       - label=AUTOMERGE-REQUESTED
       - status-success=Docs
       - status-success=Lint
-      - status-success=Python (3.7, macos-latest)
+      - status-success=Python (3.8, macos-latest)
       - status-success=Python (3.9, macos-latest)
       - status-success=Python (3.11, macos-latest)
-      - status-success=Python (3.7, ubuntu-latest)
+      - status-success=Python (3.8, ubuntu-latest)
       - status-success=Python (3.9, ubuntu-latest)
       - status-success=Python (3.11, ubuntu-latest)
-      - status-success=Python (3.7, windows-latest)
+      - status-success=Python (3.8, windows-latest)
       - status-success=Python (3.9, windows-latest)
       - status-success=Python (3.11, windows-latest)
       - "status-success=ci/circleci: build"