feat: add dispatchable actions

Allow defining GH Action Workflow jobs as dispatchable
meaning they will run only on a workflow_dispatch event.

Signed-off-by: Mateusz Urbanek <mateusz.urbanek@siderolabs.com>

.github/renovate.json

@@ -54,7 +54,7 @@
             "matchPackageNames": [
                 "actions/checkout",
                 "docker/login-action",
-                "crazy-max/ghaction-github-release",
+                "softprops/action-gh-release",
                 "docker/setup-buildx-action",
                 "slackapi/slack-github-action"
             ]

.github/workflows/ci.yaml

@@ -116,7 +116,7 @@ jobs:
           make release-notes
       - name: Release
         if: startsWith(github.ref, 'refs/tags/')
-        uses: crazy-max/ghaction-github-release@v2
+        uses: softprops/action-gh-release@v2
         with:
           body_path: _out/RELEASE_NOTES.md
           draft: "true"