fix: update confirm password hint text

[Jordan-Nelson]

Issue #, if available:

Description of changes:

• update hint text for confirm password. The previous hint text said "Re-enter your confirm password." The new text says "Re-enter your password." See before and after.

Before

After

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[codecov-commenter]

Codecov Report

Merging #1105 (8313eab) into amplify-authenticator (60b0cae) will not change coverage.
The diff coverage is n/a.

@@                   Coverage Diff                    @@
##             amplify-authenticator    #1105   +/-   ##
========================================================
  Coverage                    63.68%   63.68%           
  Complexity                       1        1           
========================================================
  Files                          355      355           
  Lines                        11342    11342           
  Branches                       458      458           
========================================================
  Hits                          7223     7223           
  Misses                        3955     3955           
  Partials                       164      164           

Flag	Coverage Δ
android-unit-tests	62.42% <ø> (ø)
flutter-unit-tests	59.45% <ø> (ø)
ios-unit-tests	66.31% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.