fix: correct build tags

Author: calmh

.github/workflows/build.yml

@@ -39,7 +39,7 @@ jobs:
           short=$(git describe --tags --abbrev=0)
           export version="${descr#v}"
           if [[ $descr == $short ]]; then
-            minor="${version#*.}"
+            minor="${version%.*}"
             major="${version%%.*}"
             ko build --bare --sbom=none -t edge -t latest -t "$version" -t "$minor" -t "$major" .
           else