Fix broken url

As per https://github.com/sgerrand/alpine-pkg-glibc#please-note.

Signed-off-by: David Rodríguez <[email protected]>

Dockerfile.run

@@ -4,7 +4,7 @@ ENV GLIBC 2.27-r0
 ENV DOCKERBINS_SHA 1270dce1bd7e1838d62ae21d2505d87f16efc1d9074645571daaefdfd0c14054
 
 RUN apk update && apk add --no-cache openssl ca-certificates curl libgcc && \
-    curl -fsSL -o /etc/apk/keys/sgerrand.rsa.pub https://raw.githubusercontent.com/sgerrand/alpine-pkg-glibc/master/sgerrand.rsa.pub && \
+    curl -fsSL -o /etc/apk/keys/sgerrand.rsa.pub https://alpine-pkgs.sgerrand.com/sgerrand.rsa.pub && \
     curl -fsSL -o glibc-$GLIBC.apk https://github.com/sgerrand/alpine-pkg-glibc/releases/download/$GLIBC/glibc-$GLIBC.apk && \
     apk add --no-cache glibc-$GLIBC.apk && \
     ln -s /lib/libz.so.1 /usr/glibc-compat/lib/ && \