Use the kernel.org mirror for elfutils in CI

For some reason some of the downloads from the canonical sourceware.org
server are failing when run from the GHA runners...

Signed-off-by: Matt Wozniski <mwozniski@bloomberg.net>

Author: godlygeek

.github/workflows/build.yml

@@ -86,7 +86,7 @@ jobs:
           cd /
           apk add --update argp-standalone bison bsd-compat-headers bzip2-dev curl curl-dev flex-dev libtool linux-headers musl-fts-dev musl-libintl musl-obstack-dev xz-dev zlib-dev zstd-dev
           VERS=0.191
-          curl https://sourceware.org/elfutils/ftp/$VERS/elfutils-$VERS.tar.bz2 > ./elfutils.tar.bz2
+          curl -L https://mirrors.kernel.org/sourceware/elfutils/$VERS/elfutils-$VERS.tar.bz2 >./elfutils.tar.bz2
           tar -xf elfutils.tar.bz2
           cd elfutils-$VERS
           CFLAGS='-Wno-error -DFNM_EXTMATCH=0 -g -O3' CXXFLAGS='-Wno-error -DFNM_EXTMATCH=0 -g -O3' ./configure --enable-libdebuginfod --disable-debuginfod --disable-nls --with-zstd

pyproject.toml

@@ -97,7 +97,7 @@ before-all = [
   "yum install -y lz4-devel",
   "cd /",
   "VERS=0.191",
-  "/usr/bin/curl https://sourceware.org/elfutils/ftp/$VERS/elfutils-$VERS.tar.bz2 > ./elfutils.tar.bz2",
+  "/usr/bin/curl -L https://mirrors.kernel.org/sourceware/elfutils/$VERS/elfutils-$VERS.tar.bz2 >./elfutils.tar.bz2",
   "tar -xf elfutils.tar.bz2",
   "cd elfutils-$VERS",
   "CFLAGS='-Wno-error -g -O3' CXXFLAGS='-Wno-error -g -O3' LDFLAGS=-lrt ./configure --enable-libdebuginfod --disable-debuginfod --disable-nls --with-zstd",
@@ -169,7 +169,7 @@ before-all = [
   "cd /",
   "apk add --update argp-standalone bison bsd-compat-headers bzip2-dev curl-dev flex-dev libtool linux-headers musl-libintl musl-obstack-dev xz-dev zlib-dev zstd-dev",
   "VERS=0.191",
-  "curl https://sourceware.org/elfutils/ftp/$VERS/elfutils-$VERS.tar.bz2 > ./elfutils.tar.bz2",
+  "curl -L https://mirrors.kernel.org/sourceware/elfutils/$VERS/elfutils-$VERS.tar.bz2 >./elfutils.tar.bz2",
   "tar -xf elfutils.tar.bz2",
   "cd elfutils-$VERS",
   "CFLAGS='-Wno-error -DFNM_EXTMATCH=0 -g -O3' CXXFLAGS='-Wno-error -g -O3' ./configure --enable-libdebuginfod --disable-debuginfod --disable-nls --with-zstd",