fix: build/Dockerfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-DEBIAN10-NGHTTP2-5953390
- https://snyk.io/vuln/SNYK-DEBIAN10-SYSTEMD-3339153
- https://snyk.io/vuln/SNYK-DEBIAN10-SYSTEMD-3339153
- https://snyk.io/vuln/SNYK-DEBIAN10-LIBTASN16-3061094
- https://snyk.io/vuln/SNYK-DEBIAN10-OPENSSH-5788320

build/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.14.2
+FROM golang:1.21.12
 
 LABEL maintainer="LitmusChaos"