fix(ci): post cache deps failed

[soulbird]

Description

1、Cache deps for centos7 ci.
2、Fixes post cache deps failed:

Post job cleanup.
/usr/bin/tar --posix --use-compress-program zstdmt -cf cache.tzst --exclude cache.tzst -P -C /home/runner/work/apisix/apisix --files-from manifest.txt
/usr/bin/tar: deps/lib/luarocks/rocks-5.1/lrexlib-pcre/[2](https://github.com/apache/apisix/actions/runs/3209507732/jobs/5247107335#step:34:2).9.1-1/doc/SciTE.properties: Cannot open: Permission denied
/usr/bin/tar: deps/lib/luarocks/rocks-5.1/lrexlib-pcre/2.9.1-1/doc/lrexlib.css: Cannot open: Permission denied
/usr/bin/tar: deps/lib/luarocks/rocks-5.1/lrexlib-pcre/2.9.1-1/doc/html[4](https://github.com/apache/apisix/actions/runs/3209507732/jobs/5247107335#step:34:4)css1.css: Cannot open: Permission denied
/usr/bin/tar: deps/lib/luarocks/rocks-[5](https://github.com/apache/apisix/actions/runs/3209507732/jobs/5247107335#step:34:5).1/lrexlib-pcre/2.9.1-1/doc/manual.txt: Cannot open: Permission denied
/usr/bin/tar: deps/lib/luarocks/rocks-5.1/lrexlib-pcre/2.9.1-1/doc/license.html: Cannot open: Permission denied
/usr/bin/tar: Exiting with failure status due to previous errors
Warning: Failed to save: Tar failed with error: The process '/usr/bin/tar' failed with exit code 2

Checklist

• I have explained the need for this PR and the problem it solves
• I have explained the changes or the new features added to this PR
• I have added tests corresponding to this change
• I have updated the documentation to reflect this change
• I have verified that this change is backward compatible (If not, please discuss on the APISIX mailing list first)