Enable linter check in all extensions

Currently only libminifi/src,libminifi/include,libminifi/target and extensions with the register_extension_linter macro are checked with the linter.

We should add this macro to every extension and fix related linter issues

• ✅ aws
• ✅ azure
• ✅  bustache PR#1089
• ✅  civetweb  PR#1089
• ✅ coap PR#1089
• ✅ expression-language PR#1097
• ✅ gps  PR#1097
• ✅ http-curl PR#1097
• ✅ jni PR#1112
• ✅ libarchive  PR#1103
• ✅ librdkafka
• ✅ mqtt PR#1103
• ✅ opc PR#1103
• ✅ opencv PR#1103
• ✅ openwsman PR#1103
• ✅ pcap PR#1103
• ✅ pdh
• ✅ rockdb-repos PR#1112
• ✅ script PR#1112
• ✅ sensors PR#1112
• ✅ sftp PR#1112
• ✅ sql
• ✅ standard-processors
• ❌ tensorflow
• ✅ usb-camera PR#1097
• ✅ windows-event-log PR#1089