Improve update-version.sh (#701)

A few small tweaks to `update-version.sh` for alignment across RAPIDS.

Authors:
  - Bradley Dice (https://github.com/bdice)

Approvers:
  - James Lamb (https://github.com/jameslamb)
  - Mike Sarahan (https://github.com/msarahan)

URL: #701

ci/release/update-version.sh

@@ -14,7 +14,7 @@ CURRENT_MINOR=$(echo $CURRENT_TAG | awk '{split($0, a, "."); print a[2]}')
 CURRENT_PATCH=$(echo $CURRENT_TAG | awk '{split($0, a, "."); print a[3]}')
 CURRENT_SHORT_TAG=${CURRENT_MAJOR}.${CURRENT_MINOR}
 
-#Get <major>.<minor> for next version
+# Get <major>.<minor> for next version
 NEXT_MAJOR=$(echo $NEXT_FULL_TAG | awk '{split($0, a, "."); print a[1]}')
 NEXT_MINOR=$(echo $NEXT_FULL_TAG | awk '{split($0, a, "."); print a[2]}')
 NEXT_SHORT_TAG=${NEXT_MAJOR}.${NEXT_MINOR}