Add exclusions in dependabot

Author: rnc

.github/dependabot.yml

@@ -21,6 +21,8 @@ updates:
     ignore:
       - dependency-name: "io.quarkus:*"
         update-types: ["version-update:semver-major", "version-update:semver-minor"]
+      - dependency-name: "io.undertow:*"
+        update-types: ["version-update:semver-major", "version-update:semver-minor"]
   - package-ecosystem: "github-actions" # Also update Github actions
     directory: "/"
     schedule:
@@ -49,3 +51,6 @@ updates:
       interval: "weekly"
     cooldown:
       default-days: 7
+    ignore:
+      - dependency-name: "io.undertow:*"
+        update-types: ["version-update:semver-major", "version-update:semver-minor"]