chore(ci): Make dependabot target unstable (#1789)

* Make dependabot target unstable

Signed-off-by: Katelyn Gigante <[email protected]>

* ci: correct from checks.

---------

Signed-off-by: Katelyn Gigante <[email protected]>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: silasary

.github/dependabot.yml

@@ -1,6 +1,7 @@
 version: 2
 updates:
   - package-ecosystem: "github-actions" # See documentation for possible values
+    target-branch: "unstable"
     directory: "/" # Location of package manifests
     schedule:
       interval: "weekly"