PMM-7 Fix linter warnings

[artemgavrilov]

PMM-7

Build: SUBMODULES-0

• [ ] Links to other linked pull requests (optional).

[codecov[bot]]

Codecov Report

Merging #1114 (7f34bf3) into main (0c3b4da) will decrease coverage by 0.03%. The diff coverage is 64.28%.

@@            Coverage Diff             @@
##             main    #1114      +/-   ##
==========================================
- Coverage   44.04%   44.01%   -0.04%     
==========================================
  Files         334      334              
  Lines       39790    39785       -5     
==========================================
- Hits        17527    17511      -16     
- Misses      20737    20749      +12     
+ Partials     1526     1525       -1     

Flag	Coverage Δ
admin	8.50% <50.00%> (+<0.01%)	:arrow_up:
agent	53.72% <50.00%> (-0.15%)	:arrow_down:

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
admin/commands/inventory/inventory.go	0.00% <0.00%> (ø)
admin/commands/inventory/list_agents.go	0.00% <0.00%> (ø)
...mongodb/internal/profiler/aggregator/aggregator.go	92.61% <ø> (-0.04%)	:arrow_down:
agent/agents/mysql/perfschema/perfschema.go	47.47% <ø> (-0.18%)	:arrow_down:
agent/agents/mysql/slowlog/slowlog.go	48.18% <ø> (-3.09%)	:arrow_down:
...ent/agents/postgres/pgstatmonitor/pgstatmonitor.go	13.97% <0.00%> (+0.76%)	:arrow_up:
managed/services/agents/handler.go	0.00% <0.00%> (ø)
managed/services/agents/state.go	0.00% <0.00%> (ø)
managed/services/config/config.go	0.00% <0.00%> (ø)
managed/services/management/azure_database.go	0.00% <ø> (ø)
... and 46 more

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