Automated developer guide update

Author: schutzbot

docs/bootc/index.md

@@ -25,6 +25,11 @@ $ podman machine set --rootful
 $ podman machine start
 ```
 
+## ✍ Prerequisites
+
+The package `osbuild-selinux` or equivalent osbuild SELinux policies must be installed in the system running
+`bootc-image-builder`.
+
 ## 🚀 Examples
 
 The following example builds a `centos-bootc:stream9` bootable container into a QCOW2 image for the architecture you're running

docs/developer-guide/02-projects/osbuild-composer/index.md

@@ -68,7 +68,7 @@ The requirements for this project are:
 
 At build-time, the following software is required:
 
- * `go >= 1.20`
+ * `go >= 1.21`
  * `python-docutils >= 0.13`
  * `krb5-devel` for fedora/rhel or `libkrb5-dev` for debian/ubuntu`
  * `btrfs-progs-devel` for fedora/rhel or `libbtrfs-dev` for debian/ubuntu