Fix wget commands for VERIFY_SIGNATURES=true

Signed-off-by: jdolitsky <393494+jdolitsky@users.noreply.github.com>

scripts/get-helm-3

@@ -196,7 +196,7 @@ verifySignatures() {
   if [ "${HAS_CURL}" == "true" ]; then
     curl -SsL "${github_keys_url}" -o "${HELM_TMP_ROOT}/${keys_filename}"
   elif [ "${HAS_WGET}" == "true" ]; then
-    wget -q -O "${github_keys_url}" "${HELM_TMP_ROOT}/${keys_filename}"
+    wget -q -O "${HELM_TMP_ROOT}/${keys_filename}" "${github_keys_url}"
   fi
   local gpg_keyring="${HELM_TMP_ROOT}/keyring.gpg"
   local gpg_homedir="${HELM_TMP_ROOT}/gnupg"
@@ -212,8 +212,8 @@ verifySignatures() {
     curl -SsL "${github_release_url}/helm-${TAG}-${OS}-${ARCH}.tar.gz.sha256.asc" -o "${HELM_TMP_ROOT}/helm-${TAG}-${OS}-${ARCH}.tar.gz.sha256.asc"
     curl -SsL "${github_release_url}/helm-${TAG}-${OS}-${ARCH}.tar.gz.asc" -o "${HELM_TMP_ROOT}/helm-${TAG}-${OS}-${ARCH}.tar.gz.asc"
   elif [ "${HAS_WGET}" == "true" ]; then
-    wget -q -O "${github_release_url}/helm-${TAG}-${OS}-${ARCH}.tar.gz.sha256.asc" "${HELM_TMP_ROOT}/helm-${TAG}-${OS}-${ARCH}.tar.gz.sha256.asc"
-    wget -q -O "${github_release_url}/${TAG}/helm-${TAG}-${OS}-${ARCH}.tar.gz.asc" "${HELM_TMP_ROOT}/helm-${TAG}-${OS}-${ARCH}.tar.gz.asc"
+    wget -q -O "${HELM_TMP_ROOT}/helm-${TAG}-${OS}-${ARCH}.tar.gz.sha256.asc" "${github_release_url}/helm-${TAG}-${OS}-${ARCH}.tar.gz.sha256.asc"
+    wget -q -O "${HELM_TMP_ROOT}/helm-${TAG}-${OS}-${ARCH}.tar.gz.asc" "${github_release_url}/helm-${TAG}-${OS}-${ARCH}.tar.gz.asc"
   fi
   local error_text="If you think this might be a potential security issue,"
   error_text="${error_text}\nplease see here: https://github.com/helm/community/blob/master/SECURITY.md"