Fix/umbrella chart support (#31)

Co-authored-by: moilanik <niko.moilanen@tietoevry.com>
Reviewed-on: #31

scripts/check-version.sh

@@ -4,7 +4,7 @@ set -e
 RAW_VERSION=""
 
 if [ -n "${VERSION_FILE-}" ] && [ -f "${VERSION_FILE-}" ]; then
-  RAW_VERSION=$(sed -n 's/^version:[[:space:]]*\([^[:space:]]*\).*/\1/p' "${VERSION_FILE}")
+  RAW_VERSION=$(tr -d "$(printf '\xef\xbb\xbf')" < "${VERSION_FILE}" | sed -n 's/^version:[[:space:]]*\([^[:space:]]*\).*/\1/p')
   if [ -z "${RAW_VERSION}" ]; then
     if echo "${VERSION_FILE}" | grep -q -E '\.json$'; then
       RAW_VERSION=$(jq -r '.version' "${VERSION_FILE}")
@@ -22,7 +22,7 @@ if [ -z "${RAW_VERSION}" ]; then
   elif [ -f pom.xml ]; then
     RAW_VERSION=$(grep -oP '<version>\K[^<]+' pom.xml | head -1)
   elif [ -f Chart.yaml ]; then
-    RAW_VERSION=$(sed -n 's/^version:[[:space:]]*\([^[:space:]]*\).*/\1/p' Chart.yaml)
+    RAW_VERSION=$(tr -d "$(printf '\xef\xbb\xbf')" < Chart.yaml | sed -n 's/^version:[[:space:]]*\([^[:space:]]*\).*/\1/p')
   else
     echo "ERROR: No version source found (VERSION_FILE, VERSION, package.json, pom.xml, Chart.yaml)" >&2
     exit 1