Bump GDB to 13.2 #311

Job	Run time
test-sim (ubuntu-20.04, newlib, rv64gc-lp64d, spike)	2h 9m 0s
build (ubuntu-20.04, newlib, rv32gc-ilp32d, gcc)	3h 26m 2s
build-multilib	0s
build (ubuntu-20.04, newlib, rv32gc-ilp32d, llvm)	4h 23m 15s
build (ubuntu-20.04, newlib, rv64gc-lp64d, gcc)	3h 41m 32s
build (ubuntu-20.04, newlib, rv64gc-lp64d, llvm)	4h 17m 17s
build (ubuntu-20.04, linux, rv32gc-ilp32d, gcc)	4h 59m 26s
build (ubuntu-20.04, linux, rv32gc-ilp32d, llvm)	4h 56m 12s
build (ubuntu-20.04, linux, rv64gc-lp64d, gcc)	4h 15m 45s
build (ubuntu-20.04, linux, rv64gc-lp64d, llvm)	3h 24m 31s
build (ubuntu-20.04, musl, rv64gc-lp64d, gcc)	55m 11s
build (ubuntu-22.04, newlib, rv32gc-ilp32d, gcc)	1h 1m 52s
build (ubuntu-22.04, newlib, rv32gc-ilp32d, llvm)	4h 23m 32s
build (ubuntu-22.04, newlib, rv64gc-lp64d, gcc)	1h 13m 21s
build (ubuntu-22.04, newlib, rv64gc-lp64d, llvm)	3h 11m 46s
build (ubuntu-22.04, linux, rv32gc-ilp32d, gcc)	1h 27m 40s
build (ubuntu-22.04, linux, rv32gc-ilp32d, llvm)	3h 8m 59s
build (ubuntu-22.04, linux, rv64gc-lp64d, gcc)	1h 10m 13s
build (ubuntu-22.04, linux, rv64gc-lp64d, llvm)	4h 5m 25s
build (ubuntu-22.04, musl, rv64gc-lp64d, gcc)	56m 26s
	2d 9h 7m 25s

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