Dockerfile: Bump golang from `fcdb3e4` to `5f3787b` in /auth-service #3891

Job	Run time
Lint YAML	10s
Lint Dockerfiles	10s
Lint Helm Charts	10s
Check License	10s
Lint Go	10s
pre-merge / sanitize-project-folder	10s
pre-merge / license-compliance-check	10s
Version Check	10s
post-merge	-1s
pre-merge / trivy-config-scan	1s
pre-merge / secrets-gitleaks-scan	1s
Test Go	1s
Build and publish containers	1s
pre-merge / run-repo-pipelines	1s
pre-merge / bandit	1s
pre-merge / trivy-filesystem-scan	1s
pre-merge / Scan Docker Images for CIS	1s
pre-merge / trivy-critical-scan	1s
Build and publish Helm charts	1s
pre-merge / zizmor-scan	1s
Version Tag	1s
	1m 31s

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