chore(deps): update dependency click to v8.1.6 (open-telemetry#999)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Austin Parker <austin@ap2.io>
Co-authored-by: Carter Socha <43380952+cartersocha@users.noreply.github.com>

src/loadgenerator/requirements.txt

@@ -2,7 +2,7 @@ backoff==2.2.1
 brotli==1.0.9
 certifi==2022.12.7
 charset-normalizer==3.1.0
-click==8.1.3
+click==8.1.6
 configargparse==1.5.3
 deprecated==1.2.13
 flask==2.3.2