doc: minor update to installation doc

1. Replace yum by dnf.
2. Add zip to installation dependencies as it's really needed and not
   installed by default.
3. Update requitred golang version in does base what is currently in
   go.mod.

docs/dev/dependencies.md

@@ -7,7 +7,7 @@ The following dependencies must be installed on your system before you can build
 ### Fedora, CentOS, RHEL
 
 ```sh
-sudo yum install golang-bin gcc-c++
+sudo dnf install golang-bin gcc-c++ zip
 ```
 
 If you need support for [libvirt destroy](libvirt/README.md#cleanup), you should also install `libvirt-devel`.
@@ -18,7 +18,7 @@ We follow a hard flattening approach; i.e. direct and inherited dependencies are
 
 Dependencies are managed with [Go Modules](https://github.com/golang/go/wiki/Modules) but committed directly to the repository.
 
-We require at least Go 1.20.
+We require at least Go 1.22.
 
 - Add or update a dependency with `go get <dependency>@<version>`.
 - If you want to use a fork of a project or ensure that a dependency is not updated even when another dependency requires a newer version of it, manually add a [replace directive in the go.mod file](https://github.com/golang/go/wiki/Modules#when-should-i-use-the-replace-directive). 

docs/dev/libvirt/README.md

@@ -37,7 +37,7 @@ repository to ensure you get a new enough version of qemu-kvm.
 On Fedora, CentOS/RHEL:
 
 ```sh
-sudo yum install libvirt-devel libvirt-daemon-kvm libvirt-client
+sudo dnf install libvirt-devel libvirt-daemon-kvm libvirt-client
 ```
 
 Then start libvirtd: