valgrind: update cmake version in suppressions

Author: mcraveiro

build/valgrind/custom.supp

@@ -343,7 +343,7 @@ fun:_Znwm
    Memcheck:Leak
    match-leak-kinds: reachable
    fun:malloc
-   obj:/home/runner/work/_temp/412950619/cmake-3.24.3-linux-x86_64/bin/cmake
-   obj:/home/runner/work/_temp/412950619/cmake-3.24.3-linux-x86_64/bin/cmake
-   fun:(below main)
+   obj:/home/runner/work/_temp/53346058/cmake-3.25.1-linux-x86_64/bin/cmake
+   obj:/home/runner/work/_temp/53346058/cmake-3.25.1-linux-x86_64/bin/cmake
+   ...
 }