Limit Dependabot to minor updates

Ignore major NuGet and GitHub Actions upgrades so routine dependency automation does not recreate a noisy high-risk PR backlog.

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

Copilot-Session: 0b50529c-1a84-4723-b84f-6b4d355a9a9b

Author: shanselman

.github/dependabot.yml

@@ -6,6 +6,10 @@ updates:
       interval: weekly
       day: monday
     open-pull-requests-limit: 5
+    ignore:
+      - dependency-name: "*"
+        update-types:
+          - version-update:semver-major
     groups:
       minor-and-patch:
         update-types:
@@ -18,6 +22,10 @@ updates:
       interval: weekly
       day: monday
     open-pull-requests-limit: 5
+    ignore:
+      - dependency-name: "*"
+        update-types:
+          - version-update:semver-major
     groups:
       minor-and-patch:
         update-types: