Revert "Disable broken library"

This reverts commit ce52a68.

Author: Andras Fekete

.github/workflows/main.yml

@@ -42,9 +42,8 @@ jobs:
         uses: ./.github/workflows/packaging.yml
     memcached:
         uses: ./.github/workflows/memcached.yml
-# TODO: Currently this test fails. Enable it once it becomes passing.        
-#    libssh2:
-#        uses: ./.github/workflows/libssh2.yml
+    libssh2:
+        uses: ./.github/workflows/libssh2.yml
     openssh:
         uses: ./.github/workflows/openssh.yml
 # TODO: Currently this test fails. Enable it once it becomes passing.