Upgrade version 2.4.6

[QilongZhang]

Upgrade version to 2.4.6
#192

[coveralls]

Pull Request Test Coverage Report for Build 447

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 58 unchanged lines in 14 files lost coverage.
• Overall coverage decreased (-0.5%) to 65.369%

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Files with Coverage Reduction	New Missed Lines	%
infra-sofa-boot-starter/src/main/java/com/alipay/sofa/infra/endpoint/SofaBootVersionEndpoint.java	1	81.94%
isle-sofa-boot-starter/src/main/java/com/alipay/sofa/isle/spring/listener/SofaModuleContextRefreshedListener.java	1	72.41%
healthcheck-sofa-boot-starter/src/main/java/com/alipay/sofa/healthcheck/startup/ReadinessCheckProcessor.java	1	75.86%
runtime-sofa-boot-starter/src/main/java/com/alipay/sofa/runtime/spring/factory/ServiceFactoryBean.java	2	69.44%
runtime-sofa-boot-starter/src/main/java/com/alipay/sofa/runtime/service/helper/ReferenceRegisterHelper.java	2	76.19%
infra-sofa-boot-starter/src/main/java/com/alipay/sofa/infra/config/spring/namespace/handler/SofaBootNamespaceHandler.java	3	0.0%
test-sofa-boot-starter/src/main/java/com/alipay/sofa/test/runner/SofaJUnit4Runner.java	3	56.67%
runtime-sofa-boot-starter/src/main/java/com/alipay/sofa/runtime/spring/factory/AbstractContractFactoryBean.java	4	52.38%
healthcheck-sofa-boot-starter/src/main/java/com/alipay/sofa/healthcheck/core/AfterHealthCheckCallbackProcessor.java	4	60.87%
healthcheck-sofa-boot-starter/src/main/java/com/alipay/sofa/healthcheck/configuration/HealthCheckConfiguration.java	4	40.0%

Totals
Change from base Build 443:	-0.5%
Covered Lines:	1461
Relevant Lines:	2235

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💛 - Coveralls