ARROW-803: [GLib] Update package repository URL
ARROW-803: [GLib] Update package repository URL

Author: Kouhei Sutou <kou@clear-code.com>

Closes #523 from kou/glib-update-package-repository-url and squashes the following commits:

d130478 [Kouhei Sutou] [GLib] Update package repository URL

kou/arrow,NonVolatileComputing/arrow,xhochy/arrow,cpcloud/arrow,tebeka/arrow,wesm/arrow,NonVolatileComputing/arrow,laurentgo/arrow,wesm/arrow,tebeka/arrow,dremio/arrow,tebeka/arrow,NonVolatileComputing/arrow,renesugar/arrow,renesugar/arrow,wagavulin/arrow,pcmoritz/arrow,wesm/arrow,renesugar/arrow,NonVolatileComputing/arrow,wesm/arrow,xhochy/arrow,siddharthteotia/arrow,itaiin/arrow,itaiin/arrow,majetideepak/arrow,icexelloss/arrow,icexelloss/arrow,itaiin/arrow,apache/arrow,wagavulin/arrow,yufeldman/arrow,renesugar/arrow,itaiin/arrow,NonVolatileComputing/arrow,pcmoritz/arrow,kou/arrow,kou/arrow,xhochy/arrow,pcmoritz/arrow,cpcloud/arrow,cpcloud/arrow,apache/arrow,yufeldman/arrow,pcmoritz/arrow,NonVolatileComputing/arrow,tebeka/arrow,kou/arrow,yufeldman/arrow,cpcloud/arrow,xhochy/arrow,laurentgo/arrow,xhochy/arrow,tebeka/arrow,wagavulin/arrow,siddharthteotia/arrow,majetideepak/arrow,wesm/arrow,itaiin/arrow,majetideepak/arrow,itaiin/arrow,dremio/arrow,wesm/arrow,kou/arrow,wesm/arrow,itaiin/arrow,icexelloss/arrow,siddharthteotia/arrow,itaiin/arrow,tebeka/arrow,dremio/arrow,NonVolatileComputing/arrow,pcmoritz/arrow,pcmoritz/arrow,icexelloss/arrow,cpcloud/arrow,laurentgo/arrow,laurentgo/arrow,siddharthteotia/arrow,xhochy/arrow,siddharthteotia/arrow,kou/arrow,majetideepak/arrow,kou/arrow,xhochy/arrow,jeffknupp/arrow,laurentgo/arrow,majetideepak/arrow,kou/arrow,xhochy/arrow,dremio/arrow,yufeldman/arrow,xhochy/arrow,cpcloud/arrow,jeffknupp/arrow,cpcloud/arrow,pcmoritz/arrow,dremio/arrow,majetideepak/arrow,majetideepak/arrow,jeffknupp/arrow,kou/arrow,kou/arrow,apache/arrow,dremio/arrow,tebeka/arrow,jeffknupp/arrow,dremio/arrow,xhochy/arrow,dremio/arrow,NonVolatileComputing/arrow,siddharthteotia/arrow,apache/arrow,cpcloud/arrow,wesm/arrow,wagavulin/arrow,jeffknupp/arrow,icexelloss/arrow,itaiin/arrow,apache/arrow,wagavulin/arrow,yufeldman/arrow,wagavulin/arrow,apache/arrow,wesm/arrow,majetideepak/arrow,pcmoritz/arrow,dremio/arrow,renesugar/arrow,yufeldman/arrow,tebeka/arrow,jeffknupp/arrow,wesm/arrow,renesugar/arrow,jeffknupp/arrow,renesugar/arrow,laurentgo/arrow,renesugar/arrow,siddharthteotia/arrow,laurentgo/arrow,apache/arrow,pcmoritz/arrow,kou/arrow,renesugar/arrow,wesm/arrow,renesugar/arrow,majetideepak/arrow,yufeldman/arrow,wesm/arrow,wagavulin/arrow,NonVolatileComputing/arrow,laurentgo/arrow,icexelloss/arrow,pcmoritz/arrow,yufeldman/arrow,siddharthteotia/arrow,kou/arrow,xhochy/arrow,tebeka/arrow,xhochy/arrow,wesm/arrow,renesugar/arrow,laurentgo/arrow,laurentgo/arrow,wagavulin/arrow,dremio/arrow,tebeka/arrow,itaiin/arrow,jeffknupp/arrow,pcmoritz/arrow,yufeldman/arrow,yufeldman/arrow,NonVolatileComputing/arrow,renesugar/arrow,yufeldman/arrow,icexelloss/arrow,xhochy/arrow,cpcloud/arrow,jeffknupp/arrow,apache/arrow,xhochy/arrow,icexelloss/arrow,wesm/arrow,apache/arrow,siddharthteotia/arrow,majetideepak/arrow,cpcloud/arrow,majetideepak/arrow,kou/arrow,icexelloss/arrow,apache/arrow,itaiin/arrow,apache/arrow,laurentgo/arrow,apache/arrow,pcmoritz/arrow,apache/arrow,renesugar/arrow,majetideepak/arrow,cpcloud/arrow,laurentgo/arrow,wagavulin/arrow,icexelloss/arrow,renesugar/arrow,laurentgo/arrow,NonVolatileComputing/arrow,itaiin/arrow,wagavulin/arrow,majetideepak/arrow,jeffknupp/arrow,majetideepak/arrow,itaiin/arrow,icexelloss/arrow,siddharthteotia/arrow,icexelloss/arrow,dremio/arrow,siddharthteotia/arrow,pcmoritz/arrow,jeffknupp/arrow,kou/arrow,majetideepak/arrow,cpcloud/arrow,laurentgo/arrow,apache/arrow,wagavulin/arrow,xhochy/arrow,itaiin/arrow,wagavulin/arrow,pcmoritz/arrow,cpcloud/arrow,icexelloss/arrow,itaiin/arrow,icexelloss/arrow,cpcloud/arrow,renesugar/arrow,pcmoritz/arrow,laurentgo/arrow