Flusher Timeout

[djaglowski]

Description of Changes

Flushers will now give up on retries eventually, rather than loop indefinitely.

Please check that the PR fulfills these requirements

• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)
• Add a changelog entry (for non-trivial bug fixes / features)
• CI passes

[codecov]

Codecov Report

Merging #231 (df25c9e) into master (8ed70f8) will increase coverage by 0.04%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #231      +/-   ##
==========================================
+ Coverage   71.22%   71.26%   +0.04%     
==========================================
  Files         100      100              
  Lines        5518     5518              
==========================================
+ Hits         3930     3932       +2     
+ Misses       1168     1165       -3     
- Partials      420      421       +1     

Impacted Files	Coverage Δ
operator/flusher/flusher.go	84.00% <100.00%> (+6.00%)	⬆️
operator/builtin/input/file/file.go	72.60% <0.00%> (-2.05%)	⬇️
operator/builtin/output/newrelic/newrelic.go	71.03% <0.00%> (-0.93%)	⬇️
operator/builtin/output/otlp/otlp.go	65.43% <0.00%> (+3.70%)	⬆️

---

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[djaglowski]

Log Files	Logs / Second	CPU Avg (%)	CPU Avg Δ (%)	Memory Avg (MB)	Memory Avg Δ (MB)
1	1000	1.7759018	+0.22414899	123.81735	-1.5443115
1	5000	6.327785	+0.27587223	131.29135	-0.416214
1	10000	12.276299	+0.6381073	137.72751	-4.2645416
1	50000	60.139835	+2.1484528	173.59052	-1.5612946
1	100000	114.09986	-2.492073	224.73181	-3.2652283
10	100	2.2414997	+0.10348797	129.29688	+0.5996704
10	500	6.7415013	-0.12072563	135.10196	+2.108963
10	1000	13.534715	+0.7413864	140.07893	-3.76091
10	5000	63.77737	+0.3435402	179.14224	-0.5960388
10	10000	126.102806	+5.649826	234.72899	+10.776138