bug#61280: Broken knot-resolver service due to missing lua-http dependency

[Bruno Victal]

knot-resolver-service-type by default is configured to bootstrap the root trust 
anchors which fails since it depends on 'lua-http' which is missing from guix.


/var/log/messages snippet:

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Feb  4 17:43:26 localhost shepherd[1]: Service kresd has been started. 
Feb  4 17:43:26 localhost shepherd[1]: [kresd] [system] warning: hard limit for 
number of file-descriptors is only 4096 but recommended value is 524288 
Feb  4 17:43:26 localhost shepherd[1]: [kresd] [system] error while loading 
config: ...-knot-resolver-5.5.3/lib/knot-resolver/trust_anchors.lua:336: [ ta ] 
fetch of "https://data.iana.org/root-anchors/root-anchors.xml"; failed: error: 
lua-http and luaossl libraries are missing (but required) 
Feb  4 17:43:26 localhost shepherd[1]: [kresd] [ ta ] Failed to bootstrap root 
trust anchors! (workdir '/var/cache/knot-resolver') 
Feb  4 17:43:26 localhost shepherd[1]: Service kresd (PID 7870) exited with 1. 
Feb  4 17:43:26 localhost shepherd[1]: Service kresd has been disabled. 
Feb  4 17:43:26 localhost shepherd[1]:   (Respawning too fast.) 
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