Bump GO to 1.19

[umbynos]

Please check if the PR fulfills these requirements

• The PR has no duplicates (please search among the Pull Requests
  before creating one)
• Tests for the changes have been added (for bug fixes / features)

• What kind of change does this PR introduce?

bump go

• What is the current behavior?

We currently use an old version of GO in all our CI (1.14)

• What is the new behavior?

GO 1.19

• Does this PR introduce a breaking change?

no

• Other information:

no

[codecov-commenter]

Codecov Report

Base: 11.08% // Head: 11.08% // No change to project coverage 👍

Coverage data is based on head (4c1c946) compared to base (6257da8).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #744   +/-   ##
=======================================
  Coverage   11.08%   11.08%           
=======================================
  Files          50       50           
  Lines        3853     3853           
=======================================
  Hits          427      427           
  Misses       3372     3372           
  Partials       54       54           

Flag	Coverage Δ
unit	11.08% <ø> (ø)

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

Impacted Files	Coverage Δ
icon/iconlinux.go	0.00% <ø> (ø)
redirect_stderr_unix.go	0.00% <ø> (ø)
systray/systray_real.go	0.00% <ø> (ø)

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