test: update master issue snapshots

test/workers/repository/_fixtures/master-issue_with_3_PR_in_approval.txt

@@ -2,7 +2,7 @@ This [master issue](https://renovatebot.com/blog/master-issue) contains a list o
 
 ## PR Creation Approval Required
 
-These branches exist but PRs won't be created until you tick the checkbox.
+These branches exist but PRs won't be created until you approve by ticking the checkbox.
 
  - [ ] <!-- approvePr-branch=branchName1 -->pr1
  - [ ] <!-- approvePr-branch=branchName2 -->pr2 (`dep2`, `dep3`)

test/workers/repository/_fixtures/master-issue_with_8_PR.txt

@@ -15,7 +15,7 @@ These updates are awaiting their schedule. Click on a checkbox to ignore the sch
 
 ## Rate Limited
 
-These updates are currently rate limited. Click on a checkbox below to override.
+These updates are currently rate limited. Click on a checkbox below to force their creation now.
 
  - [ ] <!-- unlimit-branch=branchName5 -->pr5
  - [ ] <!-- unlimit-branch=branchName6 -->pr6