component/proj: upgrade to latest version.

Renamed proj4 to proj, to use current naming of the project.
Upgrades PROJ to the last available version (9.4.0) as a previous
step to upgrade GDAL, which depends on it.

See merge request !1586.

component/proj/buildout.cfg

+[buildout]
+extends =
+  ../cmake/buildout.cfg
+  ../curl/buildout.cfg
+  ../libtiff/buildout.cfg
+  ../sqlite3/buildout.cfg
+
+parts =
+  proj
+
+[proj]
+recipe = slapos.recipe.cmmi
+shared = true
+version = 9.4.0
+url = https://download.osgeo.org/proj/proj-${:version}.tar.gz
+md5sum = c33fd24cf4e3a3048c330b1b07e86b4f
+configure-command = ${cmake:location}/bin/cmake
+configure-options =
+  -DCMAKE_BUILD_TYPE=Release
+  -DEXE_SQLITE3=${sqlite3:location}/bin/sqlite3
+  -DSQLite3_INCLUDE_DIR=${sqlite3:location}/include
+  -DSQLite3_LIBRARY=${sqlite3:location}/lib/libsqlite3.so
+  -DCURL_INCLUDE_DIR=${curl:location}/include
+  -DCURL_LIBRARY=${curl:location}/lib/libcurl.so
+  -DTIFF_INCLUDE_DIR=${libtiff:location}/include
+  -DTIFF_LIBRARY_RELEASE=${libtiff:location}/lib/libtiff.so
+  -DCMAKE_INSTALL_PREFIX=@@LOCATION@@
+  -DCMAKE_INSTALL_LIBDIR=lib
+  -DCMAKE_INSTALL_RPATH=${curl:location}/lib:${libtiff:location}/lib:${sqlite3:location}/lib

component/proj4/buildout.cfg

-[buildout]
-parts =
-  proj4
-
-[proj4]
-recipe = slapos.recipe.cmmi
-version = 4.8.0
-url = http://download.osgeo.org/proj/proj-${:version}.tar.gz
-md5sum = d815838c92a29179298c126effbb1537
-configure-options =
-  --disable-dependency-tracking