chore(deps): update ubuntu:22.04 docker digest to ed1544e

[renovate]

This PR contains the following updates:

Package	Update	Change
ubuntu	digest	0e5e4a5 -> ed1544e

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Test results for commit 587bded

Test coverage for 587bded

Name              Stmts   Miss Branch BrPart  Cover   Missing
-------------------------------------------------------------
src/charm.py        373     41     84     15    87%   184, 192-193, 205, 337->345, 378->383, 395, 584-586, 591-592, 604-606, 611-612, 624-626, 649-651, 693->exit, 703->exit, 752-755, 765-766, 790-791, 803-804, 831-833, 835->840, 837-838, 880-881, 897-898, 908->exit, 922
src/database.py      29      1      8      1    95%   56
-------------------------------------------------------------
TOTAL               402     42     92     16    88%

Static code analysis report

Run started:2025-04-08 03:32:57.245428

Test results:
  No issues identified.

Code scanned:
  Total lines of code: 2476
  Total lines skipped (#nosec): 2
  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):