v1.15.3

Core:

• chore(fluentd): upgrade fluentd v1.14.0 and gems #250 (@Cryptophobia)
• chore(go.mod): upgrade k8s.io packages to v0.21.4 #248 (@Cryptophobia)
• chore(ruby): upgrade to ruby version 2.7.4 #251 (@Cryptophobia)
• docs(readme): update changelogs for v1.15.2 #242 (@Cryptophobia)
• docs(repo): missing namespace in annotate cmd #244 (@brunowego)
• chore(gems): upgrade json to 2.5.1 #254 (@Cryptophobia)
• feat(context): propagate context from main func #256 (@Cryptophobia)

Plugins:

• chore(plugins): upgrade fluentd plugin gems #252 (@Cryptophobia)
• chore(conf): upgrade systemd fluentd configs #257 (@Cryptophobia)
• chore(plugins): upgrade kubernetes metadata plugin #258 (@Cryptophobia)

Helm:

• None

CI:

• None