Update gcc version in CI (#5297)
* update gcc version in ci image
* use gcc 9
* run bazel clean before compiling xla
* avoid remove nvcc
* do not remove old gcc which also removes nvcc
* change bazel cache key
* remove abslor patch
* update remote cache key for test script
* remove cuda graph patch and triton patch
* use gcc-8 to align with dev container
* update remote cache key for gcc-8
* Revert "update remote cache key for gcc-8"
This reverts commit ecd2964b5b6a63e408af896d93825ce75e677651.
* Revert "use gcc-8 to align with dev container"
This reverts commit a93402f898c66bf37d50f3fb8309f12611771f91.
* try new cache key
* hack libstdc++ version
* hack libstdc++ version in test.sh
* Revert "hack libstdc++ version in test.sh"
This reverts commit dae89e8d84ed292d6cd4dbf5b633b5dc4d55be61.
* rm all libstdc++ reference in conda
* Revert "remove cuda graph patch and triton patch"
This reverts commit f5015ff054c63e1de1502c53d1b08c5ee5dcd9f6.
