chore(deps) bump resty.openssl from 0.8.7 to 0.8.8 (#8753)

### Summary

#### [0.8.8] - 2022-04-14
##### bug fixes
- **ctx:** use global ctx where request is unavailable [e3590cf](fffonion/lua-resty-openssl@e3590cf)
- **x509.extension:** correct X509V3_CTX size for OpenSSL 3.0 [0946c59](fffonion/lua-resty-openssl@0946c59)

##### features
- **x509.extension:** add X509V3_set_issuer_pkey in OpenSSL 3.0 [dbd3f74](fffonion/lua-resty-openssl@dbd3f74)
- **x509.store:** add set_purpose and verify_method parameter [b7500fe](fffonion/lua-resty-openssl@b7500fe)

CHANGELOG.md

@@ -120,6 +120,7 @@
   [#8752](https://github.com/Kong/kong/pull/8752)
 - Bumped resty.openssl from 0.8.5 to 0.8.7
   [#8592](https://github.com/Kong/kong/pull/8592)
+  [#8753](https://github.com/Kong/kong/pull/8753)
 - Bumped inspect from 3.1.2 to 3.1.3
   [#8589](https://github.com/Kong/kong/pull/8589)
 - Bumped resty.acme from 0.7.2 to 0.8.0

kong-2.8.0-0.rockspec

@@ -36,7 +36,7 @@ dependencies = {
   "lua-resty-healthcheck == 1.5.0",
   "lua-resty-mlcache == 2.5.0",
   "lua-messagepack == 0.5.2",
-  "lua-resty-openssl == 0.8.7",
+  "lua-resty-openssl == 0.8.8",
   "lua-resty-counter == 0.2.1",
   "lua-resty-ipmatcher == 0.6.1",
   "lua-resty-acme == 0.8.0",