[bazel] Add missing dependency to slf4j-api

Change-Id: I8a6b0cc8892ff4ba83d0f4a0d5801b1de27401f4
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit.junit.ssh/BUILD

@@ -14,6 +14,7 @@ java_library(
     ],
     deps = [
         "//lib:junit",
+        "//lib:slf4j-api",
         "//lib:sshd-osgi",
         "//lib:sshd-sftp",
         # We want these deps to be provided_deps

org.eclipse.jgit.lfs.test/BUILD

@@ -13,6 +13,7 @@ junit_tests(
     deps = [
         ":helpers",
         "//lib:junit",
+        "//lib:slf4j-api",
         "//org.eclipse.jgit:jgit",
         "//org.eclipse.jgit.junit:junit",
         "//org.eclipse.jgit.lfs:jgit-lfs",