Merge pull request #217 from Krastanov-agent/update-workflows-julia-dependabot

Update GitHub workflows: remove CompatHelper, add Julia dependabot

Author: Krastanov

.github/dependabot.yml

@@ -0,0 +1,11 @@
+version: 2
+enable-beta-ecosystems: true
+updates:
+  - package-ecosystem: "julia"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"