update GCC versions for linux platform

Author: marwan-hallaoui

ci.jsonnet

@@ -77,7 +77,7 @@ local contains(str, needle) = std.findSubstr(needle, str) != [];
         },
         packages+: if for_jdk_build then {
             # devkit_platform_revisions in make/conf/jib-profiles.js
-            "devkit:gcc13.2.0-OL6.4+1" : "==0"
+            "devkit:gcc14.2.0-OL6.4+1" : "==0"
         } else {
             # When building/testing GraalVM, do not use a devkit as it is known not to
             # work well when dynamically linking libstdc++.
@@ -87,7 +87,7 @@ local contains(str, needle) = std.findSubstr(needle, str) != [];
     LinuxAArch64(for_jdk_build):: self.Linux + self.AArch64 {
         packages+: if for_jdk_build then {
             # devkit_platform_revisions in make/conf/jib-profiles.js
-            "devkit:gcc13.2.0-OL7.6+1" : "==0"
+            "devkit:gcc14.2.0-OL7.6+1" : "==0"
         } else {
             # See GR-26071 as well as comment in self.LinuxAMD64
             devtoolset: "==7"