build: ignore patch level github action updates

There is just too much noise from the dependabot.
Ignore patch level updates.

Signed-off-by: Daniel Wagner <wagi@kernel.org>

Author: igaw

.github/dependabot.yml

@@ -11,3 +11,7 @@ updates:
     directory: "/"
     schedule:
       interval: "weekly"
+    ignore:
+      - dependency-name: "*"
+        update-types:
+          - "version-update:semver-patch"