Disable HTTP/2 for webhoook by updating Knative

[khrm]

Changes

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Release Notes

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[khrm]

/kind misc

[khrm]

/assign @jkandasa @vdemeester

[jkandasa]

@vdemeester I guess we are updating knative along with pipelines version bump. Isn't?

[vdemeester]

yeah we can do it at the same time or now, both work for me.

[jkandasa]

/lgtm

[tekton-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jkandasa

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[khrm]

/cherry-pick release-v0.68.x

[tekton-robot]

@khrm: #1822 failed to apply on top of branch "release-v0.68.x":

Applying: Disable HTTP/2 for webhoook by updating Knative
Using index info to reconstruct a base tree...
M	go.mod
M	go.sum
M	vendor/knative.dev/pkg/webhook/webhook.go
M	vendor/modules.txt
Falling back to patching base and 3-way merge...
Auto-merging vendor/modules.txt
CONFLICT (content): Merge conflict in vendor/modules.txt
Auto-merging vendor/knative.dev/pkg/webhook/webhook.go
CONFLICT (content): Merge conflict in vendor/knative.dev/pkg/webhook/webhook.go
Auto-merging go.sum
CONFLICT (content): Merge conflict in go.sum
Auto-merging go.mod
CONFLICT (content): Merge conflict in go.mod
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0001 Disable HTTP/2 for webhoook by updating Knative
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".

In response to this:

/cherry-pick release-v0.68.x

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