Install Prometheus exporters along with the application

[gtrkiller]

Delete the exporter container and install them as snaps in the Indico image.

[github-actions]

license-eye has totally checked 91 files.

Valid	Invalid	Ignored	Fixed
30	1	60	0

Click to see the invalid file list

• install.sh

[merkata]

Looks good, apart of what David commented on, nothing to add.

[amandahla]

LGTM :)

Just wanted to see if the images are too much bigger or not than before.

[github-actions]

Test coverage for bc5cf92

Name           Stmts   Miss Branch BrPart  Cover   Missing
----------------------------------------------------------
src/charm.py     330      9     90     12    95%   127->exit, 143, 147, 512->exit, 559->562, 652->691, 793-794, 856->exit, 876->892, 878->887, 887->892, 900-901, 949->exit, 987-993
----------------------------------------------------------
TOTAL            330      9     90     12    95%

Static code analysis report

Run started:2023-08-10 12:08:50.735670

Test results:
  No issues identified.

Code scanned:
  Total lines of code: 2119
  Total lines skipped (#nosec): 4
  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):