fix(deps): update github.com/google/pprof digest to a4b03ec

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
github.com/google/pprof	require	digest	a892ee0 -> a4b03ec

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: go.sum

Command failed: go get -d -t ./...
go: module github.com/google/pprof@v0.0.0-20250317173921-a4b03ec1a45e requires go >= 1.23; switching to go1.23.7
go: downloading go1.23.7 (linux/amd64)
go: download go1.23.7: golang.org/toolchain@v0.0.1-go1.23.7.linux-amd64: verifying module: checksum database disabled by GOSUMDB=off