Merge branch 'dennis-update-engineering-manager-performance-indicators-reference' into 'master'

Update link to performance indicators for engineering managers

See merge request gitlab-com/www-gitlab-com!35491

source/job-families/engineering/engineering-management/index.html.md

@@ -109,7 +109,7 @@ The Senior Engineering Manager role extends the [Engineering Manager](#engineeri
 #### Performance Indicators
-Senior Engineering Managers have all the [Engineering Manager Performance Indicators](#Engineering-Manager-Performance-Indicators) attributed at the section level.
+Senior Engineering Managers have all the [Engineering Manager Performance Indicators](#performance-indicators) attributed at the section level.
 ### Director of Engineering
@@ -141,7 +141,7 @@ The Director of Engineering role extends the [Senior Engineering Manager](#senio
 #### Performance Indicators
-Director of Engineering have all the [Senior Engineering Manager Performance Indicators](#Engineering-Manager-Performance-Indicators) attributed at the section level.
+Director of Engineering have all the [Senior Engineering Manager Performance Indicators](#performance-indicators) attributed at the section level.
 ### Senior Director of Engineering
@@ -159,7 +159,7 @@ The Senior Director of Engineering role extends the [Director of Engineering](#d
 #### Performance Indicators
-Senior Director of Engineering have all the [Director of Engineering Performance Indicators](#Director-of-Engineering-Performance-Indicators) attributed at the department level.
+Senior Director of Engineering have all the [Director of Engineering Performance Indicators](#performance-indicatorstors) attributed at the department level.
 ### VP of Engineering