Update otel-webserver-module for almalinux 9, since centos7 is EOL

[aryanishan1001]

Centos7 has reached EOL, otel-webserver-module build and compatibility needs to be provided for almalinux 9

[lalitb]

cc @DebajitDas

[DebajitDas]

@lalitb

@aryanishan1001 is already working on this

[alessandropomes]

Hi, thank you for your work.
do you have any ETA for this topic?

[nrBaskar]

Nginx SDK 1.26.0 with Redhat 8.9 version is not supported for this OS