Version and security update

Updated to FreeRadius v3.0.26 and Alpine Linux v3.17. Added some security improvements

Use newer Alpine linux release and some minor fixes

v3.0.25-p2

Corrected version tag

FreeRADIUS v3.0.25

Updated to v3.0.25 of FreeRADIUS

v3.0.23-p2

Pinned Alpine Linux version to v3.14 to keep FreeRadius version 3.0.23

v3.0.23-p1

Solved error when used with older Docker versions

FreeRADIUS v3.0.23

Added a command to update the Alpine Linux image

FreeRADIUS v3.0.22b

Release based on FreeRADIUS v3.0.22 in Edge repo of Alpine Linux

FreeRADIUS v3.0.21

This release uses the v3.0.21 version of FreeRADIUS in the main Alpine repository