Update `Dockerfile` base `golang:alpine` image

[digitalghost-dev]

Updating the golang:alpine image to alpine3.23 fixes several CVEs:

NAME                               INSTALLED   FIXED IN    TYPE       VULNERABILITY        SEVERITY  EPSS %  RISK   
busybox                            1.37.0-r19  1.37.0-r20  apk        CVE-2024-58251       Low       4.45    < 0.1  
busybox-binsh                      1.37.0-r19  1.37.0-r20  apk        CVE-2024-58251       Low       4.45    < 0.1  
ssl_client                         1.37.0-r19  1.37.0-r20  apk        CVE-2024-58251       Low       4.45    < 0.1