scripts: fix exclusion in version check scripts

Copy/paste made it that a variable name was incorrect, excluding and
skipping each file.

Author: guggero

scripts/check-go-version-dockerfile.sh

@@ -48,7 +48,7 @@ is_exception() {
         # Check if the file is inside an excluded directory.
         # The trailing slash ensures that similarly named directories
         # (e.g., ./itest/backward-compat_other) are not mistakenly excluded.
-        if [[ "$file/" == "$exclude"* ]]; then
+        if [[ "$file/" == "$exception"* ]]; then
             return 0
         fi
     done

scripts/check-go-version-yaml.sh

@@ -79,7 +79,7 @@ is_exception() {
         # Check if the file is inside an excluded directory.
         # The trailing slash ensures that similarly named directories
         # (e.g., ./itest/backward-compat_other) are not mistakenly excluded.
-        if [[ "$file/" == "$exclude"* ]]; then
+        if [[ "$file/" == "$exception"* ]]; then
             return 0
         fi
     done