Ops: Make sure dependency updates are considered for release notes

Our release notes are auto-generated from commit messages. For this process to work, commit messages of dependency updates need to be prefixed with "Deps:".

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: mgoetzegb

.github/dependabot.yml

@@ -5,6 +5,8 @@ updates:
     schedule:
       interval: weekly
       time: "04:00"
+    commit-message:
+      prefix: "Deps"
     open-pull-requests-limit: 10
     groups:
       go-modules:
@@ -31,3 +33,5 @@ updates:
       interval: "weekly"
       time: "04:00"
       day: "monday"
+    commit-message:
+      prefix: "Deps"