[CALCITE-4104] Add automatically link to GitHub PR and 'pull-request-available' label to issues
[CALCITE-4104] Add automatically link to GitHub PR and 'pull-request-available' label to issues

looker-open-source/calcite,jcamachor/calcite,vlsi/calcite,vlsi/incubator-calcite,looker-open-source/calcite,jcamachor/calcite,julianhyde/calcite,looker-open-source/calcite,looker-open-source/calcite,jcamachor/calcite,apache/calcite,vlsi/calcite,apache/calcite,julianhyde/calcite,jcamachor/calcite,apache/calcite,vlsi/calcite,vlsi/calcite,jcamachor/calcite,apache/calcite,julianhyde/calcite,vlsi/calcite,jcamachor/calcite,julianhyde/calcite,vlsi/calcite,apache/calcite,julianhyde/calcite,apache/calcite,looker-open-source/calcite,vlsi/incubator-calcite,julianhyde/calcite,looker-open-source/calcite