feat: op2 codegen for object methods #2599

Job	Run time
compute-jobs	11s
build-linux / linux lint	1m 21s
build-linux / linux coverage	4m 4s
build-linux / linux test-ops	6m 46s
build-linux / linux lint-deps	7m 23s
build-linux / linux test-publish	1m 16s
build-linux / linux test	5m 26s
build-linux / linux test-miri	5m 43s
build-linux-arm / linux-arm test	8m 31s
build-linux-arm / linux-arm lint	2m 31s
build-linux-arm / linux-arm test-miri	9m 12s
build-macos / macos lint	1m 44s
build-macos / macos test	10m 38s
build-windows / windows lint	3m 33s
build-windows / windows test	10m 5s
success	1s
	1h 18m 25s

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