chore(golang): bump golangci-lint

- Bump golangci-lint for GO v1.24

Author: Kostas Petrakis

.github/workflows/golangci-lint.yml

@@ -44,5 +44,5 @@ jobs:
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v6
         with:
-          version: v1.63.4
+          version: v1.64.3
           working-directory: ./backend

backend/Makefile

@@ -29,7 +29,7 @@ all: build
 go-dep:
 	go install github.com/vektra/mockery/v2@v2.43.0
 	go install github.com/swaggo/swag/cmd/swag@v1.16.1
-	go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.63.4
+	go install github.com/golangci/golangci-lint/cmd/golangci-lint@v1.64.3
 
 go-dev-tools:
 	# go install github.com/atombender/go-jsonschema/cmd/gojsonschema@latest