fix: make xmpp compatible with latest version

[piksel]

go get -u can be run without breaking the build
this also includes patch updates of the dependencies

[codecov]

Codecov Report

Merging #122 (1d042d0) into main (c7b9fb9) will decrease coverage by 0.38%.
The diff coverage is 33.33%.

@@            Coverage Diff             @@
##             main     #122      +/-   ##
==========================================
- Coverage   58.54%   58.15%   -0.39%     
==========================================
  Files          55       55              
  Lines        1165     1171       +6     
==========================================
- Hits          682      681       -1     
- Misses        434      440       +6     
- Partials       49       50       +1     

Impacted Files	Coverage Δ
pkg/services/xmpp/xmpp.go	27.27% <11.11%> (-8.73%)	⬇️
pkg/services/xmpp/xmpp_config.go	50.00% <100.00%> (ø)
pkg/services/rocketchat/rocketchat.go	14.28% <0.00%> (-3.90%)	⬇️
pkg/services/smtp/smtp_encmethod.go	62.50% <0.00%> (ø)
pkg/services/standard/standard_failures.go	0.00% <0.00%> (ø)
pkg/services/smtp/smtp.go	82.01% <0.00%> (+0.58%)	⬆️

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