OZG-6346 auf ecs log format umgestellt

go.mod

internal/config/config.go

internal/logging/logger.go

internal/logging/logger_test.go

internal/logging/testdata/config.yml

internal/mock/globals.go

internal/mock/grpc_server.go

internal/server/globals.go

internal/server/handler.go

internal/server/http_gateway.go

internal/server/middleware.go

internal/server/middleware_test.go