Fixed revhistory date in both documents #902

Job	Run time
select-dc-files	24s
validate (./DC-SBP-SLE-OffLine-Upgrade-Local-Boot ./DC-SBP-SLES4SAP-HANAonKVM-SLES15SP2 ./DC-SBP-...	34s
validate (./l10n/ja-jp/DC-SBP-Spectre-Meltdown-L1TF ./l10n/ja-jp/DC-SBP-susemanager ./l10n/ja-jp/...	36s
validate (./DC-SBP-CloudLS-master ./DC-SBP-CSP-UpdateInfra ./DC-SBP-DI-30-CaaSP42-Install-Guide ....	34s
validate (./DC-SAP-NetWeaver-7.50-SLE-15-Setup-Guide-AliCloud ./DC-SAP_NW740_SLE12_SetupGuide ./D...	36s
validate (./DC-SLES4SAP-hana-sr-guide-costopt-15 ./DC-SLES4SAP-hana-sr-guide-PerfOpt-12 ./DC-SLES...	37s
validate (./DC-CaaSP3-DataHub2 ./DC-OS_Security_Hardening_Guide_for_SAP_HANA_SLES12 ./DC-OS_Secur...	37s
validate (./DC-SBP-SUSE-oem-identification ./DC-SBP-SUSE-security-report-2021 ./DC-SBP-SUSE-secur...	39s
validate (./DC-SBP-Multi-PXE-Install ./DC-SBP-oraclerac ./DC-SBP-oracleweblogic ./DC-SBP-OracleWe...	35s
build-html	-1s
	5m 11s

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