guix: make cmake-minimal a global requirement

Needed for switching to building miniupnpc with CMake.

contrib/guix/manifest.scm

@@ -499,6 +499,7 @@ inspecting signatures in Mach-O binaries.")
         gzip
         xz
         ;; Build tools
+        cmake-minimal
         gnu-make
         libtool
         autoconf-2.71
@@ -532,7 +533,6 @@ inspecting signatures in Mach-O binaries.")
                  (list gcc-toolchain-10 "static")
                  binutils
                  clang-toolchain-17
-                 cmake-minimal
                  python-signapple
                  zip))
           (else '())))))