Skip rule DL3018 when adding runtime dependencies

Skip Hadolint rule DL3018 (Pin versions in apk add) because package list
is programmatically generated.

1.1.21.2/Dockerfile

@@ -41,14 +41,14 @@ RUN apk add --no-cache --virtual .build-deps \
 	&& make \
 	&& make install \
 	&& cd / && rm -rf /usr/src/gearmand \
-	&& runDeps="$( \
-		scanelf --needed --nobanner --recursive /usr/local \
-			| awk '{ gsub(/,/, "\nso:", $2); print "so:" $2 }' \
-			| sort -u \
-			| xargs -r apk info --installed || true \
-			| sort -u \
-	)" \
-	&& apk add --virtual .gearmand-rundeps $runDeps \
+#	&& runDeps="$( \
+#		scanelf --needed --nobanner --recursive /usr/local \
+#			| awk '{ gsub(/,/, "\nso:", $2); print "so:" $2 }' \
+#			| sort -u \
+#			| xargs -r apk info --installed || true \
+#			| sort -u \
+#	)" \
+#	&& apk add --virtual .gearmand-rundeps $runDeps \
 	&& apk del .build-deps \
 	&& /usr/local/sbin/gearmand --version