🐛 ocrd_olena: Update dependency installation

Dockerfile-ocrd_olena

@@ -24,9 +24,9 @@ RUN curl -sSL --retry 3 -o ocrd_olena.tar.gz https://github.com/OCR-D/ocrd_olena
    mkdir ocrd_olena && \
    tar xvz -C ocrd_olena --strip-components=1 -f ocrd_olena.tar.gz && \
    cd ocrd_olena && \
-   sed -i 's/^install: deps$/install:/' Makefile && \
+   sed -i 's/^install: deps/install:/' Makefile && \
    ${PIP_INSTALL} ocrd && \
-   make deps-ubuntu && \
+   apt install xmlstarlet && \
    make install PREFIX=/usr/local && \
    cd .. && rm -rf ocrd_olena ocrd_olena.tar.gz