v1.16.0

Core:

• docs(readme): update changelogs for v1.15.3 #259 (@Cryptophobia)
• chore(go): upgrade to go 1.17 #260 (@Cryptophobia)
• fix(kubectl): add update to kubectl manifests #263 (@Cryptophobia)
• chore(k8s): regen k8s clients with code-generator #265 (@Cryptophobia)
• fix(relabel): process timeout_labels also #270 (@Cryptophobia)
• docs(README): add docs about label rewriting etc. #271 (@Cryptophobia)
• chore(fluentd): upgrade fluentd v1.14.1 and gems #272 (@Cryptophobia)
• fix(reloader): revert to reload endpoint and info #273 (@Cryptophobia)
• fix(reloader): we can do better error logging #275 (@Cryptophobia)
• ref(datasource): ns discovery on startup #278 (@Cryptophobia)
• fix(reloader): move back to config.gracefulReload #279 (@Cryptophobia)
• fix(controller): fix tracking of num config ns #282 (@Cryptophobia)

Plugins:

• fix(plugins): remove splunk plugins for #266 #274 (@Cryptophobia)
• chore(plugin): use fork of detect-exception gem #280 (@Cryptophobia)
• fix(plugins): add back splunkhec 2.1 plugin #281 (@Cryptophobia)

Helm:

• None

CI:

• None