link-check: exclude funyours.co.jp

http://company.funyours.co.jp/ redirects to https://www.funyours.co.jp
and that host doesn't present a correct/complete certificate chain. In
addition to that it looks like the certificate and hostname don't match.

https://www.ssllabs.com/ssltest/analyze.html?d=www.funyours.co.jp

Previous discussion: pingcap#6837 (comment)

```
$ curl -v -L http://company.funyours.co.jp/
*   Trying 210.152.118.91:80...
* Connected to company.funyours.co.jp (210.152.118.91) port 80 (#0)
> GET / HTTP/1.1
> Host: company.funyours.co.jp
> User-Agent: curl/7.79.1
> Accept: */*
>
* Mark bundle as not supporting multiuse
< HTTP/1.1 301 Moved Permanently
< Server: nginx
< Date: Fri, 03 Dec 2021 06:37:29 GMT
< Content-Type: text/html
< Content-Length: 178
< Connection: keep-alive
< Location: https://www.funyours.co.jp
<
* Ignoring the response-body
* Connection #0 to host company.funyours.co.jp left intact
* Issue another request to this URL: 'https://www.funyours.co.jp/'
*   Trying 47.245.16.139:443...
* Connected to www.funyours.co.jp (47.245.16.139) port 443 (pingcap#1)
* ALPN, offering h2
* ALPN, offering http/1.1
* successfully set certificate verify locations:
*  CAfile: /etc/pki/tls/certs/ca-bundle.crt
*  CApath: none
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
* TLSv1.3 (IN), TLS handshake, Server hello (2):
* TLSv1.2 (IN), TLS handshake, Certificate (11):
* TLSv1.2 (OUT), TLS alert, unknown CA (560):
* SSL certificate problem: unable to get local issuer certificate
* Closing connection 1
curl: (60) SSL certificate problem: unable to get local issuer certificate
More details here: https://curl.se/docs/sslcerts.html

curl failed to verify the legitimacy of the server and therefore could not
establish a secure connection to it. To learn more about this situation and
how to fix it, please visit the web page mentioned above.
```

.github/workflows/link-check.yaml

@@ -18,7 +18,7 @@ jobs:
  id: lc
  uses: peter-evans/link-checker@v1
  with:
- args: -c 32 -d /github/workspace -r -x "http://172.*|https://github.com/.*/pull/.*|https://github.com/.*/issues/.*|https://github.com/[^.\n]*$|http://127.0.0.1.*|http://localhost.*|http://.*:.*|https://static.googleusercontent.com/media/research.google.com/.*|https://www.crunchbase.com/organization/.*|http://www.brendangregg.com.*|https://blog.csdn.net.*|http://mysql-cocoa.sourceforge.net.*|https://tools.ietf.org.*|http://code.google.com.*|https://spark.apache.org.*|https://www.caasdata.com/|https://www.linkedin.com/company/.*|https://sea-group.org/.*|https://octave.sourceforge.io/database/index.html|https://www.teld.cn/|http://gnade.sourceforge.net/|https://en.wikipedia.org/wiki/WeBank_\(China|https://twitter.com/PingCAP|http://www.webgraphviz.com/|http://octave.sourceforge.net/database/index.html|http://www.ymt.com/|http://www.alhem.net/project/mysql/|https://www.reddit.com/r/TiDB|http://www.189.cn/sh/|https://dev.mysql.com/doc/refman/5.7/en/connector-odbc-info.html|https://asktug.com/_/tidb-performance-map/#/|https://commons.apache.org/proper/commons-dbcp/|https://tomcat.apache.org/tomcat-7.0-doc/jdbc-pool.html|https://en.wikipedia.org/wiki/Plane_\(Unicode|.*.md" .
+ args: -c 32 -d /github/workspace -r -x "http://172.*|https://github.com/.*/pull/.*|https://github.com/.*/issues/.*|https://github.com/[^.\n]*$|http://127.0.0.1.*|http://localhost.*|http://.*:.*|https://static.googleusercontent.com/media/research.google.com/.*|https://www.crunchbase.com/organization/.*|http://www.brendangregg.com.*|https://blog.csdn.net.*|http://mysql-cocoa.sourceforge.net.*|https://tools.ietf.org.*|http://code.google.com.*|https://spark.apache.org.*|https://www.caasdata.com/|https://www.linkedin.com/company/.*|https://sea-group.org/.*|https://octave.sourceforge.io/database/index.html|https://www.teld.cn/|http://gnade.sourceforge.net/|https://en.wikipedia.org/wiki/WeBank_\(China|https://twitter.com/PingCAP|http://www.webgraphviz.com/|http://octave.sourceforge.net/database/index.html|http://www.ymt.com/|http://www.alhem.net/project/mysql/|https://www.reddit.com/r/TiDB|http://www.189.cn/sh/|https://dev.mysql.com/doc/refman/5.7/en/connector-odbc-info.html|https://asktug.com/_/tidb-performance-map/#/|https://commons.apache.org/proper/commons-dbcp/|https://tomcat.apache.org/tomcat-7.0-doc/jdbc-pool.html|https://en.wikipedia.org/wiki/Plane_\(Unicode|.*.md|funyours.co.jp" .
 
  - name: Fail if there were external link errors
  if: ${{ steps.lc.outputs.exit_code }}