Updated library version in CI.

.github/workflows/continuous.yml

@@ -34,11 +34,11 @@ jobs:
       id: cache-library
       with:
         path: library.bin
-        key: library-20.03
+        key: library-23.06
     - name: Download Library
       if: steps.cache-library.outputs.cache-hit != 'true'
       run: |
-        wget https://github.com/leozide/leocad/releases/download/v19.07.1/Library-20.03.zip -O library.zip
+        wget https://github.com/leozide/leocad/releases/download/v23.03/Library-23.06.zip -O library.zip
         unzip library.zip
     - name: Cache POV-Ray
       uses: actions/cache@v3