Update dependabot.yml (#689)

Group all aws dependencies together and move ignored patch updates to the correct section

Author: lucacome

.github/dependabot.yml

@@ -9,16 +9,18 @@ updates:
     directory: /
     schedule:
       interval: weekly
-    ignore:
-      - dependency-name: "*/aws-sdk-go"
-        update-types: ["version-update:semver-patch"]
-      - dependency-name: "boto3"
-        update-types: ["version-update:semver-patch"]
+    groups:
+      aws-sdk:
+        patterns:
+          - "github.com/aws/aws-sdk-go-v2/*"
 
   - package-ecosystem: pip
     directory: /tests
     schedule:
       interval: weekly
+    ignore:
+      - dependency-name: "boto3"
+        update-types: ["version-update:semver-patch"]
 
   - package-ecosystem: docker
     directory: /tests/docker