Update libzim version to 6.1.7 (#58)

Author: rgaudin

.github/workflows/release.yml

@@ -6,7 +6,7 @@ on:
       - v*
 
 env:
-  LIBZIM_VERSION: 6.1.6
+  LIBZIM_VERSION: 6.1.7
   LIBZIM_INCLUDE_PATH: include/zim
   TWINE_USERNAME: __token__
   TWINE_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}

.github/workflows/test.yml

@@ -2,7 +2,7 @@ name: test
 on: [push]
 
 env:
-  LIBZIM_VERSION: 6.1.6
+  LIBZIM_VERSION: 6.1.7
   LIBZIM_INCLUDE_PATH: include/zim
   MAX_LINE_LENGTH: 110