fix: Use LICENSE instead of LICENSE.txt in Dockerfile

The license file is named LICENSE, not LICENSE.txt.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: dimitri-yatsenko

Dockerfile

@@ -10,7 +10,7 @@ RUN ${CONDA_BIN} install --no-pin -qq -y -n base -c conda-forge \
     ${CONDA_BIN} clean -qq -afy
 ENV PATH="$PATH:/home/mambauser/.local/bin"
 
-COPY --chown=${HOST_UID:-1000}:mambauser ./pyproject.toml ./README.md ./LICENSE.txt /main/
+COPY --chown=${HOST_UID:-1000}:mambauser ./pyproject.toml ./README.md ./LICENSE /main/
 COPY --chown=${HOST_UID:-1000}:mambauser ./src/datajoint /main/src/datajoint
 
 VOLUME /src