[SCB-2681] Add dependeny bot ignore logback (#3328)

diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 0b15774..0fefe56 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -48,6 +48,10 @@
       - dependency-name: "jersey-common"
         versions:
           - "3.x"
+      - dependency-name: "logback-classic"
+        # logback new versions needs java11 now
+      - dependency-name: "logback-core"
+        # logback new versions needs java11 now
       - dependency-name: "protostuff-parser"
         # protostuff-parser new versions needs java11 now
       - dependency-name: "swagger2markup"