Bump Gluon to v2023.2 and remove x86-64 workaround #430

Job	Run time
generate_target_matrix	4s
build_firmware (ath79-generic)	1h 28m 2s
build_firmware (ath79-mikrotik)	1h 18m 8s
build_firmware (ath79-nand)	1h 20m 13s
build_firmware (bcm27xx-bcm2708)	1h 11m 58s
build_firmware (bcm27xx-bcm2709)	1h 18m 41s
build_firmware (bcm27xx-bcm2710)	1h 27m 34s
build_firmware (bcm27xx-bcm2711)	1h 26m 23s
build_firmware (ipq40xx-generic)	1h 19m 12s
build_firmware (ipq40xx-mikrotik)	1h 19m 1s
build_firmware (ipq806x-generic)	1h 15m 29s
build_firmware (lantiq-xrx200)	1h 20m 48s
build_firmware (lantiq-xway)	1h 18m 20s
build_firmware (mediatek-filogic)	1h 24m 59s
build_firmware (mediatek-mt7622)	1h 24m 43s
build_firmware (mpc85xx-p1010)	1h 16m 2s
build_firmware (mpc85xx-p1020)	1h 15m 31s
build_firmware (mvebu-cortexa9)	1h 19m 40s
build_firmware (ramips-mt7620)	1h 17m 12s
build_firmware (ramips-mt7621)	1h 24m 12s
build_firmware (ramips-mt76x8)	1h 16m 11s
build_firmware (realtek-rtl838x)	1h 6m 10s
build_firmware (rockchip-armv8)	1h 27m 4s
build_firmware (sunxi-cortexa7)	1h 12m 16s
build_firmware (x86-64)	1h 30m 12s
build_firmware (x86-generic)	1h 26m 47s
build_firmware (x86-geode)	1h 24m 58s
build_firmware (x86-legacy)	1h 27m 37s
create_release	0s
	1d 12h 17m 27s

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