fixed linkchecker filename (#5827)

Author: brtnfld

.github/workflows/linkchecker.yml

@@ -48,7 +48,7 @@ jobs:
             --verbose
             --base ${{ steps.build_docs.outputs.html_path }}
             --max-retries 4
-            --max-concurrency 8
+            --max-concurrency 4
             --retry-wait-time 10
             --timeout 30
             --user-agent "Mozilla/5.0 (compatible; Lychee/v0.1)"

README.md

@@ -19,7 +19,7 @@ HDF5 version 2.0.0-2 currently under development
 [![HDF5 VFD build status](https://img.shields.io/github/actions/workflow/status/HDFGroup/hdf5/vfd.yml?branch=develop&label=HDF5-VFD)](https://github.com/HDFGroup/hdf5/actions/workflows/vfd.yml?query=branch%3Adevelop)
 [![BSD](https://img.shields.io/badge/License-BSD-blue.svg)](https://github.com/HDFGroup/hdf5/blob/develop/LICENSE)
 [![OSS-Fuzz Status](https://oss-fuzz-build-logs.storage.googleapis.com/badges/hdf5.svg)](https://oss-fuzz-build-logs.storage.googleapis.com/index.html#hdf5)
-[![Link Checker Status](https://github.com/HDFGroup/hdf5/actions/workflows/link-checker.yml/badge.svg)](https://github.com/HDFGroup/hdf5/actions/workflows/link-checker.yml)
+[![Link Checker Status](https://github.com/HDFGroup/hdf5/actions/workflows/linkchecker.yml/badge.svg)](https://github.com/HDFGroup/hdf5/actions/workflows/linkchecker.yml)
 
 [HPC configure/build/test results](https://my.cdash.org/index.php?project=HDF5)