crd-ref-docs cannot work in golang 1.22

[Xunzhuo]

===========> Running docs-api-gen ... 
tools/bin/crd-ref-docs \
--source-path=api/v1alpha1 \
--config=tools/crd-ref-docs/config.yaml \
--templates-dir=tools/crd-ref-docs/templates \
--output-path=site/content/en/latest/api/extension_types.md \
--max-depth 10 \
--renderer=markdown
2024-03-06T04:04:57.860Z	INFO	crd-ref-docs	Loading configuration	{"path": "tools/crd-ref-docs/config.yaml"}
2024-03-06T04:04:57.860Z	INFO	crd-ref-docs	Processing source directory	{"directory": "api/v1alpha1", "depth": 10}
panic: runtime error: invalid memory address or nil pointer dereference [recovered]
	panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x641abe]

goroutine 208 [running]:
go/types.(*Checker).handleBailout(0xc00250a000, 0xc000915d40)
	/opt/hostedtoolcache/go/1.22.0/x64/src/go/types/check.go:367 +0x88
panic({0xba0ae0?, 0x1292310?})
	/opt/hostedtoolcache/go/1.22.0/x64/src/runtime/panic.go:770 +0x132
go/types.(*StdSizes).Sizeof(0x0, {0xd96bb0, 0x129b620})
	/opt/hostedtoolcache/go/1.22.0/x64/src/go/types/sizes.go:228 +0x31e
go/types.(*Config).sizeof(...)
	/opt/hostedtoolcache/go/1.22.0/x64/src/go/types/sizes.go:333
go/types.representableConst.func1({0xd96bb0?, 0x129b620?})
	/opt/hostedtoolcache/go/1.22.0/x64/src/go/types/const.go:76 +0x9e
cd tools/src/helm-docs && GOOS= GOARCH= go build -o /home/runner/work/gateway/gateway/tools/bin/helm-docs $(sed -En 's,^import _ "(.*)".*,\1,p' pin.go)
go/types.representableConst({0xd9c8a8, 0x1265a68}, 0xc00250a000, 0x129b620, 0xc0009[154](https://github.com/envoyproxy/gateway/actions/runs/8166758184/job/22326043663?pr=2793#step:4:155)b0)
	/opt/hostedtoolcache/go/1.22.0/x64/src/go/types/const.go:92 +0x192
go/types.(*Checker).representation(0xc00250a000, 0xc0023f5980, 0x129b620)
	/opt/hostedtoolcache/go/1.22.0/x64/src/go/types/const.go:256 +0x65
go/types.(*Checker).implicitTypeAndValue(0xc00250a000, 0xc0023f5980, {0xd96ae8, 0xc0000ce2a0})
	/opt/hostedtoolcache/go/1.22.0/x64/src/go/types/expr.go:375 +0x30d
go/types.(*Checker).assignment(0xc00250a000, 0xc0023f5980, {0xd96ae8, 0xc0000ce2a0}, {0xc6f965, 0x14})
	/opt/hostedtoolcache/go/1.22.0/x64/src/go/types/assignments.go:52 +0x2e5
go/types.(*Checker).initConst(0xc00250a000, 0xc00250c180, 0xc0023f5980)
	/opt/hostedtoolcache/go/1.22.0/x64/src/go/types/assignments.go:126 +0x336
go/types.(*Checker).constDecl(0xc00250a000, 0xc00250c180, {0xd99510, 0xc00239b7e0}, {0xd99660, 0xc00239d9b0}, 0x0)
	/opt/hostedtoolcache/go/1.22.0/x64/src/go/types/decl.go:490 +0x348
go/types.(*Checker).objDecl(0xc00250a000, {0xda2b18, 0xc00250c180}, 0x0)
	/opt/hostedtoolcache/go/1.22.0/x64/src/go/types/decl.go:191 +0xa49
go/types.(*Checker).packageObjects(0xc00250a000)
	/opt/hostedtoolcache/go/1.22.0/x64/src/go/types/resolver.go:693 +0x4dd
go/types.(*Checker).checkFiles(0xc00250a000, {0xc0021870e8, 0x1, 0x1})
	/opt/hostedtoolcache/go/1.22.0/x64/src/go/types/check.go:408 +0x1a5
go/types.(*Checker).Files(...)
	/opt/hostedtoolcache/go/1.22.0/x64/src/go/types/check.go:372
sigs.k8s.io/controller-tools/pkg/loader.(*loader).typeCheck(0xc000236bd0, 0xc000483400)
	/home/runner/go/pkg/mod/sigs.k8s.io/controller-tools@v0.13.0/pkg/loader/loader.go:286 +0x36a
sigs.k8s.io/controller-tools/pkg/loader.(*Package).NeedTypesInfo(0xc000483400)
	/home/runner/go/pkg/mod/sigs.k8s.io/controller-tools@v0.13.0/pkg/loader/loader.go:99 +0x39
sigs.k8s.io/controller-tools/pkg/loader.(*TypeChecker).check(0xc0006494a0, 0xc000483400)
	/home/runner/go/pkg/mod/sigs.k8s.io/controller-tools@v0.13.0/pkg/loader/refs.go:268 +0x2b7
sigs.k8s.io/controller-tools/pkg/loader.(*TypeChecker).check.func1(0x53?)
	/home/runner/go/pkg/mod/sigs.k8s.io/controller-tools@v0.13.0/pkg/loader/refs.go:262 +0x53
created by sigs.k8s.io/controller-tools/pkg/loader.(*TypeChecker).check in goroutine [175](https://github.com/envoyproxy/gateway/actions/runs/8166758184/job/22326043663?pr=2793#step:4:176)
	/home/runner/go/pkg/mod/sigs.k8s.io/controller-tools@v0.13.0/pkg/loader/refs.go:260 +0x1c5
make[1]: *** [tools/make/docs.mk:46: docs-api-gen] Error 2

[thbkrkr]

This will be fixed once

• Upgrade controller-tools to latest #62

is resolved.