CI: need more time for ruby-test-specs-linux-*

* Likely due to more ruby/spec specs.

Author: eregon

ci.jsonnet

@@ -490,8 +490,8 @@ local composition_environment = utils.add_inclusion_tracking(part_definitions, "
       local native_tests = $.run.testdownstream_aot + $.run.test_integration + $.run.test_compiler,
 
       // Order: platform, jdk, mx_env. Keep aligned for an easy visual comparison.
-      "ruby-test-specs-linux-8":     $.platform.linux  + $.jdk.v8  + $.env.jvm + gate_no_build + $.use.build + $.run.test_unit_tck + native_config + $.run.test_specs + { timelimit: "01:15:00" },
-      "ruby-test-specs-linux-11":    $.platform.linux  + $.jdk.v11 + $.env.jvm + gate_no_build + $.use.build + $.run.test_unit_tck + native_config + $.run.test_specs + { timelimit: "01:15:00" },
+      "ruby-test-specs-linux-8":     $.platform.linux  + $.jdk.v8  + $.env.jvm + gate_no_build + $.use.build + $.run.test_unit_tck + native_config + $.run.test_specs + { timelimit: "01:20:00" },
+      "ruby-test-specs-linux-11":    $.platform.linux  + $.jdk.v11 + $.env.jvm + gate_no_build + $.use.build + $.run.test_unit_tck + native_config + $.run.test_specs + { timelimit: "01:20:00" },
       "ruby-test-specs-darwin-8":    $.platform.darwin + $.jdk.v8  + $.env.jvm + gate_no_build + $.use.build + $.run.test_unit_tck + native_config + $.run.test_specs + { timelimit: "01:40:00" },
       "ruby-test-specs-darwin-11":   $.platform.darwin + $.jdk.v11 + $.env.jvm + gate_no_build + $.use.build + $.run.test_unit_tck + native_config + $.run.test_specs + { timelimit: "01:40:00" },
       "ruby-test-fast-linux-arm64":  $.platform.linux_arm64 + $.jdk.v11 + $.env.jvm + gate + $.run.test_fast + native_config + { timelimit: "45:00" },