Switch back to using OpenBLAS for Ubuntu 22

Ubuntu 20 builds were switched to the default reference BLAS because
of a bug with the OpenBLAS package. That bug does not seem to affect
Ubuntu 22, so switch back to using OpenBLAS for Ubuntu 22, for
consistency with all other R builds.

builder/package.ubuntu-2204

@@ -27,7 +27,6 @@ fpm \
   -d gcc \
   -d gfortran \
   -d libbz2-dev \
-  -d libblas-dev \
   -d libc6 \
   -d libcairo2 \
   -d libcurl4 \
@@ -35,8 +34,8 @@ fpm \
   -d libgomp1 \
   -d libicu-dev \
   -d libjpeg8 \
-  -d liblapack-dev \
   -d liblzma-dev \
+  -d libopenblas-dev \
   -d libpango-1.0-0 \
   -d libpangocairo-1.0-0 \
   -d libpaper-utils \