FIXUP: Make Dockerfile work with latest wheels

Dockerfile

@@ -5,7 +5,6 @@ FROM alpine:latest as pymupdf-build
 ARG ARCH
 ARG REQUIREMENTS_TXT
 
-RUN mkdir -p /usr/lib/python3.12/site-packages/PyMuPDFb.libs
 # Install PyMuPDF via hash-checked requirements file
 COPY ${REQUIREMENTS_TXT} /tmp/requirements.txt
 
@@ -14,7 +13,7 @@ COPY ${REQUIREMENTS_TXT} /tmp/requirements.txt
 RUN case "$ARCH" in \
     "arm64") \
         # This is required for copying later, but is created only in the pre-built wheels
-        mkdir -p /usr/lib/python3.12/site-packages/PyMuPDFb.libs/ \
+        mkdir -p /usr/lib/python3.12/site-packages/PyMuPDF.libs/ \
         && apk --no-cache add linux-headers g++ linux-headers gcc make python3-dev py3-pip clang-dev ;; \
     *) \
         apk --no-cache add py3-pip ;; \
@@ -50,7 +49,7 @@ RUN apk --no-cache -U upgrade && \
 
 COPY --from=pymupdf-build /usr/lib/python3.12/site-packages/fitz/ /usr/lib/python3.12/site-packages/fitz
 COPY --from=pymupdf-build /usr/lib/python3.12/site-packages/pymupdf/ /usr/lib/python3.12/site-packages/pymupdf
-COPY --from=pymupdf-build /usr/lib/python3.12/site-packages/PyMuPDFb.libs/ /usr/lib/python3.12/site-packages/PyMuPDFb.libs
+COPY --from=pymupdf-build /usr/lib/python3.12/site-packages/PyMuPDF.libs/ /usr/lib/python3.12/site-packages/PyMuPDF.libs
 COPY --from=h2orestart-dl /libreoffice_ext/ /libreoffice_ext
 
 RUN install -dm777 "/usr/lib/libreoffice/share/extensions/"