Update dependabot.yml to run on Mondays

Signed-off-by: Ashley <73482956+ascopes@users.noreply.github.com>

Author: ascopes

.github/dependabot.yml

@@ -6,7 +6,7 @@ updates:
     rebase-strategy: auto
     schedule:
       interval: weekly
-      day: saturday
+      day: monday
     target-branch: main
     assignees:
       - ascopes
@@ -18,7 +18,7 @@ updates:
     rebase-strategy: auto
     schedule:
       interval: weekly
-      day: saturday
+      day: monday
     target-branch: main
     assignees:
       - ascopes