meson,ci: bump meson req for rusticl to 1.2

Signed-off-by: Karol Herbst <git@karolherbst.de>
Reviewed-by: Michel Dänzer <mdaenzer@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21451>

.gitlab-ci/container/fedora/x86_64_build.sh

@@ -14,6 +14,7 @@ EPHEMERAL=(
         "pkgconfig(epoxy)"
         "pkgconfig(gbm)"
         "pkgconfig(openssl)"
+        python3-pip
         unzip
         xz
 )
@@ -30,7 +31,7 @@ DEPS=(
     glslang
     kernel-headers
     llvm-devel
-    meson
+    ninja-build
     "pkgconfig(LLVMSPIRVLib)"
     "pkgconfig(SPIRV-Tools)"
     "pkgconfig(dri2proto)"
@@ -90,6 +91,9 @@ tar -xvf $XORGMACROS_VERSION.tar.bz2 && rm $XORGMACROS_VERSION.tar.bz2
 cd $XORGMACROS_VERSION; ./configure; make install; cd ..
 rm -rf $XORGMACROS_VERSION
 
+# We need at least 1.2 for Rust's `debug_assertions`
+pip install meson==1.2.0
+
 . .gitlab-ci/container/build-mold.sh
 
 . .gitlab-ci/container/build-libdrm.sh