Bump actions/setup-go from 5.4.0 to 5.5.0

Bumps [actions/setup-go](https://github.com/actions/setup-go) from 5.4.0 to 5.5.0.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](actions/setup-go@0aaccfd...d35c59a)

---
updated-dependencies:
- dependency-name: actions/setup-go
  dependency-version: 5.5.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/validations.yaml

@@ -14,7 +14,7 @@ jobs:
     name: "Static analysis"
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/setup-go@0aaccfd150d50ccaeb58ebd88d36e91967a5f35b # v5.4.0
+      - uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
         with:
           go-version: ${{ env.GO_VERSION }}
 
@@ -51,7 +51,7 @@ jobs:
     name: "Unit tests"
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/setup-go@0aaccfd150d50ccaeb58ebd88d36e91967a5f35b # v5.4.0
+      - uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
         with:
           go-version: ${{ env.GO_VERSION }}