Building graalpy requires cmake

Author: eregon

ci/common.jsonnet

@@ -205,6 +205,12 @@ local common_json = import "../common.json";
       },
     },
 
+    cmake:: {
+      packages+: {
+        cmake: "==3.22.2",
+      },
+    },
+
     gradle:: {
       downloads+: {
         GRADLE_JAVA_HOME: jdks_data["oraclejdk21"],
@@ -221,10 +227,8 @@ local common_json = import "../common.json";
     # GR-49566: SpotBugs does not yet run on JDK 22
     spotbugs: code_tools,
 
-    sulong:: {
-      packages+: {
-        cmake: "==3.22.2",
-      } + if self.os == "windows" then {
+    sulong:: self.cmake + {
+      packages+: if self.os == "windows" then {
         msvc_source: "==14.0",
       } else {},
     },
@@ -259,7 +263,7 @@ local common_json = import "../common.json";
       } else {},
     },
 
-    graalpy:: self.gradle + {
+    graalpy:: self.gradle + self.cmake + {
       packages+: if (self.os == "linux") then {
         libffi: '>=3.2.1',
         bzip2: '>=1.0.6',