Update .github/workflows/ci.yml

Co-authored-by: Josh McCullough <[email protected]>

Author: KnownEntity

.github/workflows/ci.yml

@@ -50,7 +50,7 @@ jobs:
       uses: actions/checkout@v3
       with:
         repository: 'benmcollins/libjwt'
-        ref: '${{matrix.libjwt-version}}'
+        ref: 'v${{matrix.libjwt-version}}'
         path: 'libjwt'
 
     - name: Build libjwt