CI (Buildkite): increase the timeouts for the Buildkite jobs that run under rr (#42979)

(cherry picked from commit f728038)

Author: DilumAluthge

.buildkite/pipelines/main/platforms/tester_linux.arches

@@ -8,8 +8,8 @@ linux         64_g2_mt      g2       .             64          x86_64         .
 linux         64_g1_st      g1       .             64          x86_64         .              .             .              .          .        yes      .        v4.8          2a058481b567f0e91b9aa3ce4ad4f09e6419355a
 linux         64_g2_st      g2       .             64          x86_64         .              .             .              3          .        yes      .        v4.8          2a058481b567f0e91b9aa3ce4ad4f09e6419355a
 
-linux         64_g1_rrst    g1       .             64          x86_64         .              180           120            .          yes      yes      .        v4.8          2a058481b567f0e91b9aa3ce4ad4f09e6419355a
-linux         64_g2_rrst    g2       .             64          x86_64         .              120           60             3          yes      yes      .        v4.8          2a058481b567f0e91b9aa3ce4ad4f09e6419355a
+linux         64_g1_rrst    g1       .             64          x86_64         .              300           240            .          yes      yes      .        v4.8          2a058481b567f0e91b9aa3ce4ad4f09e6419355a
+linux         64_g2_rrst    g2       .             64          x86_64         .              180           120            3          yes      yes      .        v4.8          2a058481b567f0e91b9aa3ce4ad4f09e6419355a
 linux         64_g3_st      g3       .             64          x86_64         .              .             .              3          .        yes      .        v4.8          2a058481b567f0e91b9aa3ce4ad4f09e6419355a
 
 # linux       aarch64_g1    g1       true          aarch64     aarch64        .              .             .              .          .        .        .        ----          ----------------------------------------

.buildkite/pipelines/scheduled/no_bb/no_bb_tester_linux.arches

@@ -5,6 +5,6 @@ linux         64src_g2_mt      g2       .             64src    x86_64         .
 linux         64src_g1_st      g1       .             64src    x86_64         .              .             .              .          .        yes      .        v4.8          2a058481b567f0e91b9aa3ce4ad4f09e6419355a
 linux         64src_g2_st      g2       .             64src    x86_64         .              .             .              3          .        yes      .        v4.8          2a058481b567f0e91b9aa3ce4ad4f09e6419355a
 
-linux         64src_g1_rrst    g1       .             64src    x86_64         .              180           120            .          yes      yes      .        v4.8          2a058481b567f0e91b9aa3ce4ad4f09e6419355a
-linux         64src_g2_rrst    g2       .             64src    x86_64         .              120           60             3          yes      yes      .        v4.8          2a058481b567f0e91b9aa3ce4ad4f09e6419355a
+linux         64src_g1_rrst    g1       .             64src    x86_64         .              300           240            .          yes      yes      .        v4.8          2a058481b567f0e91b9aa3ce4ad4f09e6419355a
+linux         64src_g2_rrst    g2       .             64src    x86_64         .              180           120             3          yes      yes      .        v4.8          2a058481b567f0e91b9aa3ce4ad4f09e6419355a
 linux         64src_g3_st      g3       .             64src    x86_64         .              .             .              3          .        yes      .        v4.8          2a058481b567f0e91b9aa3ce4ad4f09e6419355a

.buildkite/utilities/platforms/platforms.sh

@@ -61,11 +61,11 @@ cat "${ARCHES:?}" | tr -s ' ' | while read _line; do
   fi
 
   if [[ "${TIMEOUT_BK:?}" == "." ]]; then
-    export TIMEOUT_BK="90"
+    export TIMEOUT_BK="90" # minutes
   fi
 
   if [[ "${TIMEOUT_RR:?}" == "." ]]; then
-    export TIMEOUT_RR="60"
+    export TIMEOUT_RR="60" # minutes
   fi
 
   if [[ "${RETRIES:?}" == "." ]]; then