Only install screenshot plugin when screenshot_on_failure is enabled

[haroon-sheikh]

Fixes #2186

• Removes screenshot plugin from required plugins
• Require screenshot plugin only when screenshot_on_failure = true variable is set

[haroon-sheikh]

Benchmark Results

java_gradle_serial.csv

Commit	CPU	Memory	Time	ExitCode
c532320	177%	349640	0:21.11	0
c93f7af	166%	619168	0:33.39	0
e7c5dc7	6%	119700	0:31.42	0
91d0f25	6%	119452	0:35.98	0

java_simple_serial.csv

Commit	CPU	Memory	Time	ExitCode
c532320	170%	343216	0:14.42	0
c93f7af	163%	341344	0:15.11	0
e7c5dc7	26%	65580	0:18.79	0
91d0f25	31%	61740	0:14.75	0

java_maven_multithreaded.csv

Commit	CPU	Memory	Time	ExitCode
c532320	183%	303728	0:22.61	0
c93f7af	153%	362648	0:37.51	0
e7c5dc7	42%	203644	0:23.39	0
91d0f25	50%	192560	0:21.26	0

java_maven_serial.csv

Commit	CPU	Memory	Time	ExitCode
c532320	181%	338348	0:18.11	0
c93f7af	147%	296200	0:30.25	0
e7c5dc7	50%	209008	0:24.03	0
91d0f25	50%	198512	0:31.08	0

java_gradle_multithreaded.csv

Commit	CPU	Memory	Time	ExitCode
c532320	182%	355644	0:20.04	0
c93f7af	179%	558492	0:33.83	0
e7c5dc7	6%	120660	0:34.02	0
91d0f25	6%	124152	0:39.38	0

java_simple_multithreaded.csv

Commit	CPU	Memory	Time	ExitCode
c532320	174%	384524	0:13.73	0
c93f7af	174%	385536	0:14.13	0
e7c5dc7	26%	66300	0:12.22	0
91d0f25	20%	65604	0:17.20	0

java_simple_parallel.csv

Commit	CPU	Memory	Time	ExitCode
c532320	188%	316540	0:20.17	0
c93f7af	182%	324672	0:20.33	0
e7c5dc7	20%	67916	0:23.75	0
91d0f25	22%	65676	0:21.62	0

java_gradle_parallel.csv

Commit	CPU	Memory	Time	ExitCode
c532320	178%	374068	0:20.26	0
c93f7af	166%	639544	0:30.80	0
e7c5dc7	5%	121060	0:36.79	0
91d0f25	5%	122976	0:37.48	0

java_maven_parallel.csv

Commit	CPU	Memory	Time	ExitCode
c532320	184%	340820	0:20.92	0
c93f7af	158%	341744	0:31.93	0
e7c5dc7	37%	206568	0:42.16	0
91d0f25	36%	197764	0:38.35	0

Notes

• The results above are generated by running against seed projects in https://github.com/getgauge/gauge-benchmark
• These results are not persisted, but on merging to master the benchmark will be rerun.
• These benchmark are run in Github Actions' agents, which are virtualized. Results are not to be taken as actual benchmarks.Rather, these are indicative numbers and make sense for comparison.

---

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[gaugebot]

@haroon-sheikh Thank you for contributing to gauge. Your pull request has been labeled as a release candidate 🎉🎉.

Merging this PR will trigger a release.

Please bump up the version as part of this PR.

Instructions to bump the version can found at CONTRIBUTING.md

If the CONTRIBUTING.md file does not exist or does not include instructions about bumping up the version, please looks previous commits in git history to see what changes need to be done.