docs: remove OpenSSF scorecard (#1823)

Author: mdelapenya

README.md

@@ -18,7 +18,6 @@
 
 [![Go Report Card](https://goreportcard.com/badge/github.com/testcontainers/testcontainers-go)](https://goreportcard.com/report/github.com/testcontainers/testcontainers-go)
 [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=testcontainers_testcontainers-go&metric=alert_status)](https://sonarcloud.io/summary/new_code?id=testcontainers_testcontainers-go)
-[![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/testcontainers/testcontainers-go/badge)](https://api.securityscorecards.dev/projects/github.com/testcontainers/testcontainers-go)
 
 **License**