[librsvg: 5/6] rustc: use -Cinstrument-coverage instead of the deprecated -Zinstrument-coverage

[Federico Mena Quintero <federico src gnome org>]

commit 070df5989949cf2bd3c84b94e45f054ba47669d7
Author: Federico Mena Quintero <federico gnome org>
Date:   Tue Jun 14 20:31:58 2022 -0500

    rustc: use -Cinstrument-coverage instead of the deprecated -Zinstrument-coverage

 .gitlab-ci.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 68d1e3cb4..08861b675 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -276,8 +276,8 @@ coverage:
     - crun
   variables:
     CFLAGS: "-coverage -ftest-coverage -fprofile-arcs"
-    RUSTFLAGS: "-Zinstrument-coverage"
-    RUSTDOCFLAGS: "-Zinstrument-coverage"
+    RUSTFLAGS: "-Cinstrument-coverage"
+    RUSTDOCFLAGS: "-Cinstrument-coverage"
     LLVM_PROFILE_FILE: "coverage-profiles/coverage-%p-%m.profraw"
   script:
     - mkdir -p _build