Add ac claim for old docker/build-push-action@v3 / current buildx gha cache (#29584)
Also resolves a warning for current releases
```
| ##[group]GitHub Actions runtime token ACs
| ##[warning]Cannot parse GitHub Actions Runtime Token ACs: "undefined" is not valid JSON
| ##[endgroup]
====>
| ##[group]GitHub Actions runtime token ACs
| ##[endgroup]
```
\* this is an error in v3
References in the docker org:
-
https://github.com/docker/build-push-action/blob/831ca179d3cf91cf0c90ca465a408fa61e2129a2/src/main.ts#L24
-
https://github.com/docker/actions-toolkit/blob/7d8b4dc6694df35a06fae786427672ce27a8c18d/src/github.ts#L61
No known official action of GitHub makes use of this claim.
Current releases throw an error when configure to use actions cache
```
| ERROR: failed to solve: failed to configure gha cache exporter: invalid token without access controls
| ##[error]buildx failed with: ERROR: failed to solve: failed to configure gha cache exporter: invalid token without access controls
```
(cherry picked from commit 368743baf3d904f86b553a88718583906f571c87)
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