Broaden Dependabot ignore rule to all GitHub Actions

Apply the existing patch+minor ignore rule to every action via a
wildcard `dependency-name`, instead of only `crate-ci/typos`. This
suppresses the per-patch PR noise (e.g. TagBot 1.25.6 -> 1.25.7) and
keeps PRs limited to major bumps.

Co-Authored-By: Chris Rackauckas <accounts@chrisrackauckas.com>

Author: ChrisRackauckas

.github/dependabot.yml

@@ -6,5 +6,5 @@ updates:
     schedule:
       interval: "weekly"
     ignore:
-      - dependency-name: "crate-ci/typos"
+      - dependency-name: "*"
         update-types: ["version-update:semver-patch", "version-update:semver-minor"]