Fixing arm build, adding autoupdate gitea workflow

scripts/build-srpm.sh

@@ -3,6 +3,7 @@ set -eu
 
 ROOT_DIR="$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd)"
 OUTDIR="${1:-$ROOT_DIR/dist}"
+RPM_TARGET="${RPM_TARGET:-x86_64}"
 
 TOPDIR="$(mktemp -d)"
 cleanup() {
@@ -26,6 +27,7 @@ cp "$ROOT_DIR/SPECS/element-desktop.spec" "$TOPDIR/SPECS/"
 cp "$ROOT_DIR/SOURCES/element-desktop.desktop" "$TOPDIR/SOURCES/"
 
 rpmbuild -bs \
+    --target "$RPM_TARGET" \
     --define "_topdir $TOPDIR" \
     --define "upstream_version $version" \
     "$TOPDIR/SPECS/element-desktop.spec"