VLN-1507: remediate unpinned-github-actions

[picatz]

🏕️ This pull request was created by camper, an automated security campaign tool.

ℹ️ This PR was re-resolved against an updated base branch; the changeset was regenerated, so the summary below reflects the current diff (edits to files deleted upstream are dropped).

Finding

Rule	unpinned-github-actions
Severity	MEDIUM
Repository	temporalio/s2s-proxy
Ticket	VLN-1507

Summary

🤠 Deputy pinned dependencies to immutable references.

• Total refs: 10
• Pinned refs: 10

Changed references:

• docker/metadata-action: v5 -> c299e40c65443455700f0fdfc63efafe5b349051 # v5.10.0
• docker/build-push-action: v6 -> 10e90e3645eae34f1e60eeb005ba3a3d33f178e8 # v6.19.2
• actions/checkout: v5 -> fbc6f3992d24b796d5a048ff273f7fcc4a7b6c09 # v5.1.0
• docker/login-action: v3 -> c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
• docker/setup-qemu-action: v3 -> c7c53464625b32c7a7e944ae62b3e17d2b600130 # v3.7.0
• docker/setup-buildx-action: v3 -> 8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0
• actions/setup-go: v6 -> 924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
• actions/checkout: v5 -> fbc6f3992d24b796d5a048ff273f7fcc4a7b6c09 # v5.1.0
• actions/setup-go: v6 -> 924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
• azure/setup-helm: v4.3.0 -> b9e51907a09c216f16ebe8536097933489208112 # v4.3.0

Instructions

• Approve to merge this fix
• Request changes to trigger a new remediation attempt
• /camper rebase — rebase onto the base branch
• /camper close — close this PR without merging
• /camper retry — regenerate the fix from scratch against the current base

[picatz]

This PR has had no activity for 7 days and may need attention.

Actions you can take:

• Review and approve if the changes look good
• Close if this fix is no longer needed
• Comment /camper rebase to rebase onto the latest base branch
• Comment /camper retry to regenerate the fix

[picatz]

This PR has had no activity for 7 days and may need attention.

Actions you can take:

• Review and approve if the changes look good
• Close if this fix is no longer needed
• Comment /camper rebase to rebase onto the latest base branch
• Comment /camper retry to regenerate the fix

[picatz]

This PR has had no activity for 7 days and may need attention.

Actions you can take:

• Review and approve if the changes look good
• Close if this fix is no longer needed
• Comment /camper rebase to rebase onto the latest base branch
• Comment /camper retry to regenerate the fix

[picatz]

Heads up: this PR has been inactive and is scheduled to be auto-closed (expired) in about 3 day(s) unless there's new activity. Merge, comment, or push to keep it open. Expired PRs are not marked as failed and can be reopened later with camper finding remediate.

[picatz]

This PR has had no activity for 13 days and may need attention.

Actions you can take:

• Review and approve if the changes look good
• Close if this fix is no longer needed
• Comment /camper rebase to rebase onto the latest base branch
• Comment /camper retry to regenerate the fix

[picatz]

This PR has had no activity for 7 days and may need attention.

Actions you can take:

• Review and approve if the changes look good
• Close if this fix is no longer needed
• Comment /camper rebase to rebase onto the latest base branch
• Comment /camper retry to regenerate the fix

[picatz]

This PR has had no activity for 7 days and may need attention.

Actions you can take:

• Review and approve if the changes look good
• Close if this fix is no longer needed
• Comment /camper rebase to rebase onto the latest base branch
• Comment /camper retry to regenerate the fix

[picatz]

This PR has had no activity for 7 days and may need attention.

Actions you can take:

• Review and approve if the changes look good
• Close if this fix is no longer needed
• Comment /camper rebase to rebase onto the latest base branch
• Comment /camper retry to regenerate the fix