upgrade lua-resty-openidc ~> 1.5.3

[zhangyuan]

Can you please have a look?

[coveralls]

Pull Request Test Coverage Report for Build 66

• 0 of 0 (NaN%) changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 55.318%

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Totals
Change from base Build 65:	0.0%
Covered Lines:	1061
Relevant Lines:	1918

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💛 - Coveralls

[Trojan295]

I will run a few manual tests to check for regressions and we'll merge it. Thanks!