📚 DOCS: Add changelog for v1.6.5

[chrisjsewell]

Copied from: 626a482

[codecov]

Codecov Report

Merging #5078 (57736ed) into develop (77aa5a4) will decrease coverage by 0.01%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop    #5078      +/-   ##
===========================================
- Coverage    80.47%   80.47%   -0.00%     
===========================================
  Files          531      531              
  Lines        36951    36951              
===========================================
- Hits         29733    29732       -1     
- Misses        7218     7219       +1     

Flag	Coverage Δ
django	74.99% <ø> (ø)
sqlalchemy	73.89% <ø> (-<0.01%)	⬇️

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Impacted Files	Coverage Δ
aiida/transports/plugins/local.py	81.41% <0.00%> (-0.25%)	⬇️

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