chore: add dependabot; bump dependencies (#47)

* chore: add dependabot; bump dependencies; add windows runner

* chore: minor tweaks

Author: aorumbayev

.github/dependabot.yml

@@ -0,0 +1,15 @@
+version: 2
+updates:
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    commit-message:
+      prefix: "chore(deps)"
+    groups:
+      all:
+        patterns:
+          - "*"
+        update-types:
+          - "minor"
+          - "patch"