Multi-arch support for all Docker images

[skeet70]

We've released new versions of all our docker images that switch them to multi-arch manifests supporting arm64 and amd64 architectures. This support is in versions:

• 4.4.2+ of the Tenant Security Proxy : https://ironcorelabs.com/docs/saas-shield/tenant-security-proxy/changelog/#v442
• 4.1.1+ of the Tenant Security Logdriver : https://ironcorelabs.com/docs/saas-shield/tenant-security-logdriver/changelog/#v411
• 1.0.1+ of the Vendor API Bridge : https://ironcorelabs.com/docs/saas-shield/vendor-api/changelog/#v101
• 1.2.5+ of the Amazon S3 Proxy SaaS Shield Proxy : https://ironcorelabs.com/docs/saas-shield/saas-shield-for-s3/changelog/#v125