fix(conformance): fix panic for make test.conformance

[programmer04]

What this PR does / why we need it:

After

• chore(deps): bump sigs.k8s.io/gateway-api from 1.0.0 to 1.1.0 and other related deps #263

executing make conformance.tests

results in panic

GOTESTSUM_FORMAT=standard-verbose \
                /Users/[email protected]/Documents/work/gateway-operator/bin/installs/gotestsum/1.11.0/bin/gotestsum --  \
                -timeout "20m" \
                -race \
                -parallel 10 \
                ./test/conformance/...
/var/folders/v4/66lp8jy17r1_jx_2x0fv278w0000gn/T/go-build1021724069/b001/conformance.test flag redefined: debug
panic: /var/folders/v4/66lp8jy17r1_jx_2x0fv278w0000gn/T/go-build1021724069/b001/conformance.test flag redefined: debug

goroutine 1 [running]:
flag.(*FlagSet).Var(0xc000200150, {0x1064362c8, 0xc00012d12f}, {0x10555ea10, 0x5}, {0x105618608, 0x41})
        /opt/homebrew/Cellar/go/1.22.3/libexec/src/flag/flag.go:1028 +0x418
flag.(*FlagSet).BoolVar(...)
        /opt/homebrew/Cellar/go/1.22.3/libexec/src/flag/flag.go:749
flag.(*FlagSet).Bool(0xc000200150, {0x10555ea10, 0x5}, 0x0, {0x105618608, 0x41})
        /opt/homebrew/Cellar/go/1.22.3/libexec/src/flag/flag.go:762 +0x7c
flag.Bool(...)
        /opt/homebrew/Cellar/go/1.22.3/libexec/src/flag/flag.go:769
github.com/kong/gateway-operator/test/conformance.init()
        /Users/[email protected]/Documents/work/gateway-operator/test/conformance/conformance_test.go:37 +0x28c
FAIL    github.com/kong/gateway-operator/test/conformance       1.211s

=== Failed
=== FAIL: test/conformance  (0.00s)
/var/folders/v4/66lp8jy17r1_jx_2x0fv278w0000gn/T/go-build1021724069/b001/conformance.test flag redefined: debug
panic: /var/folders/v4/66lp8jy17r1_jx_2x0fv278w0000gn/T/go-build1021724069/b001/conformance.test flag redefined: debug

goroutine 1 [running]:
flag.(*FlagSet).Var(0xc000200150, {0x1064362c8, 0xc00012d12f}, {0x10555ea10, 0x5}, {0x105618608, 0x41})
        /opt/homebrew/Cellar/go/1.22.3/libexec/src/flag/flag.go:1028 +0x418
flag.(*FlagSet).BoolVar(...)
        /opt/homebrew/Cellar/go/1.22.3/libexec/src/flag/flag.go:749
flag.(*FlagSet).Bool(0xc000200150, {0x10555ea10, 0x5}, 0x0, {0x105618608, 0x41})
        /opt/homebrew/Cellar/go/1.22.3/libexec/src/flag/flag.go:762 +0x7c
flag.Bool(...)
        /opt/homebrew/Cellar/go/1.22.3/libexec/src/flag/flag.go:769
github.com/kong/gateway-operator/test/conformance.init()
        /Users/[email protected]/Documents/work/gateway-operator/test/conformance/conformance_test.go:37 +0x28c
FAIL    github.com/kong/gateway-operator/test/conformance       1.211s

DONE 0 tests, 1 failure in 6.622s
make[1]: *** [_test.conformance] Error 1
make: *** [test.conformance] Error 2

this PR brings it back to the state that they run, but fail

...
suite.go:348: 2024-05-16T17:59:21.406228+02:00: Test Setup: Ensuring Gateways and Pods from base manifests are ready
    helpers.go:217: 2024-05-16T17:59:21.417088+02:00: Gateway gateway-conformance-infra/all-namespaces expected observedGeneration to be updated to 1 for all conditions, only 3/4 were updated. stale conditions are: Programmed (generation 0)
    helpers.go:217: 2024-05-16T17:59:22.421528+02:00: Gateway gateway-conformance-infra/all-namespaces expected observedGeneration to be updated to 1 for all conditions, only 3/4 were updated. stale conditions are: Programmed (generation 0)
    helpers.go:217: 2024-05-16T17:59:23.41769+02:00: Gateway gateway-conformance-infra/all-namespaces expected observedGeneration to be updated to 1 for all conditions, only 3/4 were updated. stale conditions are: Programmed (generation 0)
    helpers.go:217: 2024-05-16T17:59:24.42362+02:00: Gateway gateway-conformance-infra/all-namespaces expected observedGeneration to be updated to 1 for all conditions, only 3/4 were updated. stale conditions are: Programmed (generation 0)
    helpers.go:217: 2024-05-16T17:59:25.418414+02:00: Gateway gateway-conformance-infra/all-namespaces expected observedGeneration to be updated to 1 for all conditions, only 3/4 were updated. stale conditions are: Programmed (generation 0)
    helpers.go:217: 2024-05-16T17:59:26.423449+02:00: Gateway gateway-conformance-infra/all-namespaces expected observedGeneration to be updated to 1 for all conditions, only 3/4 were updated. stale conditions are: Programmed (generation 0)
    ....

Fixing this failure will be handled in a separate PR.

Which issue this PR fixes

Part of #264