Dockerfile: Update golang builder image to v1.24

go1.25 is now available[1] making go1.24 the oldest supported release.
Accordingly update the Dockerfile to make go-version-check.sh happy.

[1] https://go.dev/blog/go1.25

Signed-off-by: Anoop C S <[email protected]>

Author: anoopcs9

Dockerfile

@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM docker.io/golang:1.23 as builder
+FROM docker.io/golang:1.24 as builder
 ARG GIT_VERSION="(unset)"
 ARG COMMIT_ID="(unset)"
 ARG ARCH=""