Reverting .yaml as some things doesn't work (#451)

.github/dependabot.yml

@@ -0,0 +1,28 @@
+# Docs: <https://docs.github.com/en/code-security/supply-chain-security/keeping-your-dependencies-updated-automatically/customizing-dependency-updates>
+
+version: 2
+
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly
+      day: "tuesday"
+      time: "01:00"
+      timezone: "Asia/Kolkata"
+
+  - package-ecosystem: docker
+    directory: /
+    schedule:
+      interval: weekly
+      day: "tuesday"
+      time: "01:00"
+      timezone: "Asia/Kolkata"
+
+  - package-ecosystem: npm
+    directory: /
+    schedule:
+      interval: weekly
+      day: "tuesday"
+      time: "01:00"
+      timezone: "Asia/Kolkata"