Bump the github-actions-updates group with 3 updates

Bumps the github-actions-updates group with 3 updates: [actions/setup-go](https://github.com/actions/setup-go), [actions/checkout](https://github.com/actions/checkout) and [golangci/golangci-lint-action](https://github.com/golangci/golangci-lint-action).


Updates `actions/setup-go` from 5 to 6
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](actions/setup-go@v5...v6)

Updates `actions/checkout` from 4 to 5
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v5)

Updates `golangci/golangci-lint-action` from 7 to 8
- [Release notes](https://github.com/golangci/golangci-lint-action/releases)
- [Commits](golangci/golangci-lint-action@v7...v8)

---
updated-dependencies:
- dependency-name: actions/setup-go
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions-updates
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions-updates
- dependency-name: golangci/golangci-lint-action
  dependency-version: '8'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions-updates
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: set up go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           cache-dependency-path: backend/
           go-version: "1.23"
@@ -24,7 +24,7 @@ jobs:
           mongoDBVersion: "5.0"
 
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: build and test
         working-directory: backend
@@ -36,7 +36,7 @@ jobs:
           ENABLE_MONGO_TESTS: "true"
 
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v7
+        uses: golangci/golangci-lint-action@v8
         with:
           version: latest
           working-directory: backend