Add link explicitly about approving things in HRS

HRS Approvals are a thing, a superset of approving absences. Clearly link to them with a label that uses the word "Approve". Hypothesis: employees needing to approve things are skimming for the word "approve".

myuw-root-webapp/src/main/webapp/500.html

@@ -75,6 +75,7 @@
 
                 <h5>Employee Resources</h5>
                 <ul role="menu" aria-labelledby="service-links__uw-madison">
+                  <li role="menuitem"><a href="https://www.hrs.wisconsin.edu/psp/hrs-fd/EMPLOYEE/HRMS/c/UW_PT_RDR.UW_PT_RDR.GBL?G=Approvals">Approve things in HRS (for example, approve absences)</a></li>
                   <li role="menuitem"><a href="https://www.hrs.wisconsin.edu/psc/hrs-fd/EMPLOYEE/HRMS/c/NUI_FRAMEWORK.PT_AGSTARTPAGE_NUI.GBL?CONTEXTIDPARAMS=TEMPLATE_ID%3aPTPPNAVCOL&scname=HC_SELF_SERVICE_EBEN&PTPPB_GROUPLET_ID=BENEFITSNAV&CRefName=HC_EBEN_SS_NAVCOLL_FL&AJAXTRANSFER=Y&JumpPage=N">Benefits Information</a></li>
                   <li role="menuitem"><a href="https://ct.wisc.edu/">Cost Transfer Tool</a></li>
                   <li role="menuitem"><a href="https://working.wisc.edu/">Employee Resources</a></li>
@@ -114,6 +115,7 @@
 
                 <h5>Employee Resources</h5>
                 <ul role="menu" aria-labelledby="service-links__uw-system">
+                  <li role="menuitem"><a href="https://www.hrs.wisconsin.edu/psp/hrs-fd/EMPLOYEE/HRMS/c/UW_PT_RDR.UW_PT_RDR.GBL?G=Approvals">Approve things in HRS (for example, approve absences)</a></li>
                   <li role="menuitem"><a href="https://www.hrs.wisconsin.edu/psc/hrs-fd/EMPLOYEE/HRMS/c/NUI_FRAMEWORK.PT_AGSTARTPAGE_NUI.GBL?CONTEXTIDPARAMS=TEMPLATE_ID%3aPTPPNAVCOL&scname=HC_SELF_SERVICE_EBEN&PTPPB_GROUPLET_ID=BENEFITSNAV&CRefName=HC_EBEN_SS_NAVCOLL_FL&AJAXTRANSFER=Y&JumpPage=N">Benefits Information</a></li>
                   <li role="menuitem"><a href="https://www.wisconsin.edu/ohrwd/benefits/formspubs/">Employee Benefits Forms and Resources</a></li>
                   <li role="menuitem"><a href="https://www.hrs.wisconsin.edu/psp/hrs-fd/EMPLOYEE/HRMS/c/UW_PT_RDR.UW_PT_RDR.GBL?G=TimeAbsenceDashboard">Employee Time and Absence </a></li>