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 9e37821

Name                Stmts   Miss Branch BrPart  Cover   Missing
---------------------------------------------------------------
src/charm.py          522     40    163     27    90%   199-202, 340-341, 553, 603, 663, 698-699, 750-757, 762, 864, 869-870, 942, 949, 1041, 1050, 1062, 1083, 1092, 1111, 1115, 1144, 1197, 1329, 1351, 1358->1360, 1399->exit, 1411, 1428-1430, 1448, 1457-1458
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                 569     41    165     28    90%

Static code analysis report

Run started:2023-07-28 07:43:55.182656

Test results:
  No issues identified.

Code scanned:
  Total lines of code: 4192
  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):