Upgrade spring boot from 3 to 4

[ajharry69]

No description provided.

[github-actions]

Code Coverage

File	Coverage [94.38%]	✅
demo-web/src/main/java/co/ke/xently/demoweb/validators/CustomValidator.java	50.00%	❌
demo-web/src/main/java/co/ke/xently/demoweb/validators/ISO8601TimestampHeaderValidator.java	100.00%	✅
demo-webflux/src/main/java/co/ke/xently/demowebflux/validators/CustomValidator.java	50.00%	❌
demo-webflux/src/main/java/co/ke/xently/demowebflux/validators/ISO8601TimestampHeaderValidator.java	100.00%	✅
header-validator-common/src/main/java/co/ke/xently/common/headers/AbstractHeaderValidator.java	100.00%	✅
header-validator-common/src/main/java/co/ke/xently/common/headers/HeaderRule.java	100.00%	✅
header-validator-common/src/main/java/co/ke/xently/common/headers/HeaderValidationProperties.java	97.73%	✅
header-validator-common/src/main/java/co/ke/xently/common/headers/HeaderValidatorConverter.java	100.00%	✅
header-validator-common/src/main/java/co/ke/xently/common/headers/exceptions/HeaderException.java	100.00%	✅
header-validator-common/src/main/java/co/ke/xently/common/headers/exceptions/HeadersValidationException.java	100.00%	✅
header-validator-common/src/main/java/co/ke/xently/common/headers/exceptions/InvalidHeaderValueException.java	100.00%	✅
header-validator-common/src/main/java/co/ke/xently/common/headers/exceptions/MissingHeaderException.java	100.00%	✅
header-validator-common/src/main/java/co/ke/xently/common/headers/validators/DefaultHeaderValidator.java	80.00%	❌
header-validator-common/src/main/java/co/ke/xently/common/headers/validators/EpochTimestampValidator.java	80.00%	❌
header-validator-common/src/main/java/co/ke/xently/common/headers/validators/RegexValidator.java	100.00%	✅
header-validator-common/src/main/java/co/ke/xently/common/headers/validators/ValidationResult.java	100.00%	✅
header-validator-common/src/main/java/co/ke/xently/common/utils/converter/PayloadConverter.java	100.00%	✅
header-validator-starter-web/src/main/java/co/ke/xently/common/RequestContextFilter.java	100.00%	✅
header-validator-starter-web/src/main/java/co/ke/xently/common/RequestPayloadConverterConfiguration.java	94.44%	✅
header-validator-starter-web/src/main/java/co/ke/xently/common/headers/HeaderValidationConfiguration.java	100.00%	✅
header-validator-starter-web/src/main/java/co/ke/xently/common/headers/HeaderValidationInterceptor.java	100.00%	✅
header-validator-starter-webflux/src/main/java/co/ke/xently/common/HeaderValidatorExceptionHandler.java	100.00%	✅
header-validator-starter-webflux/src/main/java/co/ke/xently/common/RequestContextFilter.java	100.00%	✅
header-validator-starter-webflux/src/main/java/co/ke/xently/common/RequestPayloadConverterConfiguration.java	94.44%	✅
header-validator-starter-webflux/src/main/java/co/ke/xently/common/headers/HeaderValidationWebFilter.java	100.00%	✅

Total Project Coverage	93.69%	✅