ci: pin Linux build RIDs across stages and retry runtime fetches [CI]

ci/fetch-quic-test-runtime.sh

@@ -24,7 +24,7 @@ esac
 download() {
   local url="$1" destination="$2"
   if [[ ! -s "$destination" ]]; then
-    curl --fail --silent --show-error --retry 3 "$url" -o "$destination"
+    curl --fail --silent --show-error --retry 3 --retry-all-errors "$url" -o "$destination"
   fi
 }
 
@@ -57,7 +57,7 @@ unpack_cache="$downloads/unpacked"
 mkdir -p "$package_cache" "$unpack_cache"
 
 msquic_index='https://packages.microsoft.com/debian/12/prod/pool/main/libm/libmsquic/'
-msquic_file="$(curl --fail --silent --show-error --retry 3 "$msquic_index" \
+msquic_file="$(curl --fail --silent --show-error --retry 3 --retry-all-errors "$msquic_index" \
   | grep -oE "libmsquic_[0-9]+(\.[0-9]+){1,3}_${deb_arch}\.deb" \
   | sort -Vu | tail -n 1)"
 [[ -n "$msquic_file" ]] || { echo "could not find a stable MsQuic package for $deb_arch" >&2; exit 1; }