Merge pull request #1175 from EnergySystemsModellingLab/group-dependabot-prs

Group dependabot dependencies

Author: alexdewar

.github/dependabot.yml

@@ -9,7 +9,13 @@ updates:
     directory: "/"
     schedule:
       interval: "weekly"
+    groups:
+      rust:
+        patterns: ["*"]
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
       interval: "weekly"
+    groups:
+      github-actions:
+        patterns: ["*"]