chore(deps): update golang:1.26 docker digest to 3aff665

[scality-renovate]

This PR contains the following updates:

Package	Type	Update	Change
golang (source)	stage	digest	d52df9c → 3aff665

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Dependency Bump Evaluation

Version change: golang:1.26 digest d52df9c → 3aff665 (same Go version, rebuilt base image)
Semver bump type: Digest update (no version change)

Changes:

• Rebuilt golang:1.26 Docker base image with updated OS-level packages
• Only the builder stage is affected; the runtime image (distroless) is unchanged

Breaking changes: None — same Go 1.26 compiler, same build process, same runtime image

Security concerns: None — digest updates typically include OS-level security patches in the base image, which is positive. The builder image is not shipped; only the compiled binary is copied to the distroless runtime image.

Impact on codebase: None — only Dockerfile line 2 changed (builder stage digest). No Go code, dependencies, or runtime image changes.

CI status: build and generate passed; lint, test, and test-e2e are still running.

Recommendation: SAFE TO MERGE (once CI is green)

Notes: This is a routine Docker digest rotation for the build-stage image. The Go version (1.26) is unchanged, and the final distroless runtime image is unaffected. No codebase impact.

— Claude Code