fix(ssl): ssl label upgrade max len

[Fabriceli]

Description

Upgrade SSL label len 64 to 256

Fixes # (issue)
apache/apisix-ingress-controller#1768

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)

[Fabriceli]

could you return the CI? it seems that the unit test is not stable @monkeyDluffy6017

[Fabriceli]

No error in my local for Code Lint CI:

$ make lint
[ info ] lint -> [ Start ]
./utils/check-lua-code-style.sh
+ luacheck -q apisix t/lib
Total: 0 warnings / 0 errors in 251 files
+ find apisix -name '*.lua' '!' -wholename apisix/cli/ngx_tpl.lua -exec ./utils/lj-releng '{}' +
+ grep -E 'ERROR.*.lua:' /tmp/check.log
+ true
+ '[' -s /tmp/error.log ']'
./utils/check-test-code-style.sh
+ find t -name '*.t' -exec grep -E '\-\-\-\s+(SKIP|ONLY|LAST|FIRST)$' '{}' +
+ true
+ '[' -s /tmp/error.log ']'
+ find t -name '*.t' -exec ./utils/reindex '{}' +
+ grep done. /tmp/check.log
+ true
+ '[' -s /tmp/error.log ']'
[ info ] lint -> [ Done ]

[monkeyDluffy6017]

@Fabriceli Please fix the ci

[Fabriceli]

@Fabriceli Please fix the ci

done