fix: Linter fixes for plugins/inputs/[k-l]*

[zak-pawel]

Following findings were fixed:

plugins/inputs/kafka_consumer/kafka_consumer.go:6:2                                  revive       imports-blacklist: should not use the following blacklisted import: "log"
plugins/inputs/kafka_consumer/kafka_consumer_test.go:282:17                          errcheck     Error return value of `cg.ConsumeClaim` is not checked
plugins/inputs/kafka_consumer_legacy/kafka_consumer_legacy_integration_test.go:87:2  gosimple     S1000: should use for range instead of for { select {} }
plugins/inputs/kube_inventory/kube_state.go:190:2                                    revive       import-shadowing: The name 'filter' shadows an import name
plugins/inputs/kube_inventory/kube_state.go:6:2                                      revive       imports-blacklist: should not use the following blacklisted import: "log"
plugins/inputs/kube_inventory/node.go:28:51                                          revive       empty-lines: extra empty line at the start of a block
plugins/inputs/lanz/lanz.go:88:2                                                     gosimple     S1000: should use for range instead of for { select {} }
plugins/inputs/lanz/lanz_test.go:9:2                                                 staticcheck  SA1019: package github.com/golang/protobuf/proto is deprecated: Use the "google.golang.org/protobuf/proto" package instead. 
plugins/inputs/logstash/logstash.go:182:42                                           revive       import-shadowing: The name 'url' shadows an import name
plugins/inputs/logstash/logstash.go:221:42                                           revive       import-shadowing: The name 'url' shadows an import name
plugins/inputs/logstash/logstash.go:247:46                                           revive       import-shadowing: The name 'url' shadows an import name
plugins/inputs/logstash/logstash.go:406:47                                           revive       import-shadowing: The name 'url' shadows an import name
plugins/inputs/logstash/logstash.go:450:48                                           revive       import-shadowing: The name 'url' shadows an import name

[telegraf-tiger]

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Artifact URLs

DEB	RPM	TAR GZ	ZIP
amd64.deb	aarch64.rpm	darwin_amd64.tar.gz	windows_amd64.zip
arm64.deb	armel.rpm	freebsd_amd64.tar.gz	windows_i386.zip
armel.deb	armv6hl.rpm	freebsd_armv7.tar.gz
armhf.deb	i386.rpm	freebsd_i386.tar.gz
i386.deb	ppc64le.rpm	linux_amd64.tar.gz
mips.deb	s390x.rpm	linux_arm64.tar.gz
mipsel.deb	x86_64.rpm	linux_armel.tar.gz
ppc64el.deb		linux_armhf.tar.gz
s390x.deb		linux_i386.tar.gz
		linux_mips.tar.gz
		linux_mipsel.tar.gz
		linux_ppc64le.tar.gz
		linux_s390x.tar.gz
		static_linux_amd64.tar.gz