Update testing.yml

Author: nixel2007

.github/workflows/testing.yml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        oscript_version: ['default', 'stable', 'dev']
+        oscript_version: ['default', 'lts-dev']
     uses: autumn-library/workflows/.github/workflows/test.yml@v1
     with:
       oscript_version: ${{ matrix.oscript_version }}