fix: Dockerfile to reduce vulnerabilities
fix: Dockerfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-DEBIAN11-LIBDE265-2445047
- https://snyk.io/vuln/SNYK-DEBIAN11-LIBXML2-2413974
- https://snyk.io/vuln/SNYK-DEBIAN11-OPENSSL-2426309
- https://snyk.io/vuln/SNYK-DEBIAN11-SUBVERSION-2635643
- https://snyk.io/vuln/SNYK-DEBIAN11-SUBVERSION-2635645
BrighterCommand/Brightside,BrighterCommand/Brightside