Update charm libraries

[github-actions]

Automated action to fetch latest version of charm libraries. The branch of this PR
will be wiped during the next check. Unless you really know what you're doing, you
most likely don't want to push any commits to this branch.

[github-actions]

Test coverage for 906f89a

Name                Stmts   Miss Branch BrPart  Cover   Missing
---------------------------------------------------------------
src/charm.py          521     37    168     29    90%   197-200, 551, 582, 628, 663-664, 715-722, 727, 829->834, 833, 835, 840-841, 901, 919, 926, 1018, 1027, 1039, 1060, 1069, 1088, 1092, 1121, 1174, 1306, 1328, 1335->1337, 1380->exit, 1392, 1424, 1433-1434
src/cos.py             15      0      0      0   100%
src/exceptions.py      17      1      2      1    89%   41
src/types_.py          15      0      0      0   100%
---------------------------------------------------------------
TOTAL                 568     38    170     30    90%

Static code analysis report

Run started:2023-10-13 14:54:17.866993

Test results:
  No issues identified.

Code scanned:
  Total lines of code: 4250
  Total lines skipped (#nosec): 1
  Total potential issues skipped due to specifically being disabled (e.g., #nosec BXXX): 0

Run metrics:
  Total issues (by severity):
  	Undefined: 0
  	Low: 0
  	Medium: 0
  	High: 0
  Total issues (by confidence):
  	Undefined: 0
  	Low: 0
  	Medium: 0
  	High: 0
Files skipped (0):