Create a GitHub security policy via SECURITY.md

[tlhunter]

What does this PR do?

• adds a security policy
• this file appears in the GitHub UI when users visit the security screen
• more details on SECURITY.md

Motivation

• currently a user might think to submit a public issue which isn't what we want

[github-actions]

Overall package size

Self size: 5.71 MB
Deduped: 61.8 MB
No deduping: 62.56 MB

Dependency sizes

name	version	self size	total size
@datadog/native-iast-taint-tracking	1.6.4	16.43 MB	16.44 MB
@datadog/native-appsec	5.0.0	15.16 MB	15.17 MB
@datadog/pprof	4.1.0	9.36 MB	10.21 MB
protobufjs	7.2.5	2.77 MB	6.56 MB
@datadog/native-iast-rewriter	2.2.1	2.27 MB	2.36 MB
@opentelemetry/core	1.14.0	872.87 kB	1.47 MB
@datadog/native-metrics	2.0.0	898.77 kB	1.3 MB
@opentelemetry/api	1.4.1	780.32 kB	780.32 kB
import-in-the-middle	1.4.2	41.4 kB	704.79 kB
pprof-format	2.0.7	588.12 kB	588.12 kB
msgpack-lite	0.1.26	201.16 kB	281.59 kB
opentracing	0.14.7	194.81 kB	194.81 kB
semver	7.5.4	93.4 kB	123.8 kB
@datadog/sketches-js	2.1.0	109.9 kB	109.9 kB
lodash.sortby	4.7.0	75.76 kB	75.76 kB
lru-cache	7.14.0	74.95 kB	74.95 kB
ipaddr.js	2.1.0	60.23 kB	60.23 kB
ignore	5.2.4	51.22 kB	51.22 kB
int64-buffer	0.1.10	49.18 kB	49.18 kB
istanbul-lib-coverage	3.2.0	29.34 kB	29.34 kB
lodash.uniq	4.5.0	25.01 kB	25.01 kB
tlhunter-sorted-set	0.1.0	24.94 kB	24.94 kB
limiter	1.1.5	23.17 kB	23.17 kB
dc-polyfill	0.1.2	22.77 kB	22.77 kB
retry	0.13.1	18.85 kB	18.85 kB
lodash.kebabcase	4.1.1	17.75 kB	17.75 kB
node-abort-controller	3.1.1	16.89 kB	16.89 kB
lodash.pick	4.4.0	16.33 kB	16.33 kB
jest-docblock	29.7.0	8.99 kB	12.76 kB
crypto-randomuuid	1.0.0	11.18 kB	11.18 kB
path-to-regexp	0.1.7	6.78 kB	6.78 kB
koalas	1.0.2	6.47 kB	6.47 kB
methods	1.1.2	5.29 kB	5.29 kB
module-details-from-path	1.0.3	4.47 kB	4.47 kB

_{🤖 This report was automatically generated by heaviest-objects-in-the-universe}

[pr-commenter]

Benchmarks

Benchmark execution time: 2023-12-12 18:14:55

Comparing candidate commit b848264 in PR branch tlhunter/security-policy with baseline commit ba23400 in branch master.

Found 1 performance improvements and 2 performance regressions! Performance is the same for 519 metrics, 10 unstable metrics.

scenario:log-without-log-16

• 🟥 cpu_user_time [+15.314ms; +22.459ms] or [+5.326%; +7.810%]
• 🟥 execution_time [+15.843ms; +16.932ms] or [+5.004%; +5.347%]

scenario:plugin-graphql-with-depth-off-18

• 🟩 max_rss_usage [-140.617MB; -70.683MB] or [-14.669%; -7.373%]

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (ba23400) 84.30% compared to head (b848264) 84.30%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3863   +/-   ##
=======================================
  Coverage   84.30%   84.30%           
=======================================
  Files         232      232           
  Lines        9623     9623           
  Branches       33       33           
=======================================
  Hits         8113     8113           
  Misses       1510     1510           

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