Fix date in release drafter

Author: ludeeus

.github/workflows/release-drafter.yml

@@ -21,7 +21,7 @@ jobs:
           declare -i newpost
           latest=$(git describe --tags $(git rev-list --tags --max-count=1))
           latestpre=$(echo "$latest" | awk '{split($0,a,"."); print a[1] "." a[2]}')
-          datepre=$(date --utc '+%y.%m')
+          datepre=$(date --utc '+%y.%-m')
           if [[ "$latestpre" == "$datepre" ]]; then
               latestpost=$(echo "$latest" | awk '{split($0,a,"."); print a[3]}')
               newpost=$latestpost+1