feat: Pin ruff version, add dependabot config (aws#442)

* feat: Pin ruff version, add dependabot config to keep our dependencies up to date

* Exlude isort and flake8 from dependabot updates

Author: mildaniel

.github/dependabot.yml

@@ -0,0 +1,28 @@
+version: 2
+updates:
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    commit-message:
+      prefix: chore
+      include: scope
+    reviewers:
+      - aws/serverless-application-experience-sbt
+
+  - package-ecosystem: "pip"
+    directory: "/requirements"
+    schedule:
+      interval: "weekly"
+    target-branch: "develop"
+    commit-message:
+      prefix: chore
+      include: scope
+    reviewers:
+      -  aws/serverless-application-experience-sbt
+    ignore:
+      # The dependencies are intentionally pinned to certain
+      # version ranges for specific Python versions
+      - dependency-name: "flake8"
+      - dependency-name: "isort"

requirements/dev.txt

@@ -13,4 +13,4 @@ pyelftools~=0.27 # Used to verify the generated Go binary architecture in integr
 
 # formatter
 black==22.3.0
-ruff
+ruff==0.0.238