Truncate to telegram max message length

[konstantin-leontev]

[codecov[bot]]

Codecov Report

Merging #45 (f86d7e2) into master (b4fd71c) will decrease coverage by 9.00%. The diff coverage is 61.11%.

@@            Coverage Diff             @@
##           master      #45      +/-   ##
==========================================
- Coverage   98.33%   89.33%   -9.00%     
==========================================
  Files           1        2       +1     
  Lines          60       75      +15     
  Branches        4        6       +2     
==========================================
+ Hits           59       67       +8     
- Misses          0        5       +5     
- Partials        1        3       +2     

Impacted Files	Coverage Δ
sentry_telegram/plugin.py	89.04% <58.82%> (-9.30%)	:arrow_down:
sentry_telegram/__init__.py	100.00% <100.00%> (ø)

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[butorov]

Merged into a dev branch in #54 to align with other updates.