chore(deps): update dependency golangci/golangci-lint to v2.6.1 (#125)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
|
[golangci/golangci-lint](https://redirect.github.com/golangci/golangci-lint)
| patch | `v2.6.0` -> `v2.6.1` |

---

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> Some dependencies could not be looked up. Check the Dependency
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### Release Notes

<details>
<summary>golangci/golangci-lint (golangci/golangci-lint)</summary>

###
[`v2.6.1`](https://redirect.github.com/golangci/golangci-lint/blob/HEAD/CHANGELOG.md#v261)

[Compare
Source](https://redirect.github.com/golangci/golangci-lint/compare/v2.6.0...v2.6.1)

1. Linters bug fixes
   - `copyloopvar`: from 1.2.1 to 1.2.2
   - `go-critic`: from 0.14.0 to 0.14.2

</details>

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Author: pjbgf

hack/base.mk

@@ -1,5 +1,5 @@
 # renovate: datasource=github-tags depName=golangci/golangci-lint
-GOLANGCI_VERSION ?= v2.6.0
+GOLANGCI_VERSION ?= v2.6.1
 # renovate: datasource=github-tags depName=protocolbuffers/protobuf
 PROTOC_VERSION ?= 33.0
 TOOLS_BIN := $(shell mkdir -p build/tools && realpath build/tools)