[jnigen] blast_repo fixes (https://github.com/dart-lang/jnigen/issues/283)

dependabot

.github/dependabot.yml

diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 9523511..fb01db0 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -7,3 +7,5 @@
     directory: /
     schedule:
       interval: monthly
+    labels:
+      - autosubmit