[stable10] Add ownCloud motto change password email

[karakayasemi]

Backport of #34470

Description

• Added the motto as footer
• Added alternative Plain text page for notify email
• Update notify email with html template.

[codecov]

Codecov Report

Merging #34498 into stable10 will increase coverage by <.01%.
The diff coverage is 73.33%.

@@              Coverage Diff               @@
##             stable10   #34498      +/-   ##
==============================================
+ Coverage        63.6%    63.6%   +<.01%     
  Complexity      19091    19091              
==============================================
  Files            1264     1265       +1     
  Lines           75303    75315      +12     
  Branches         1291     1291              
==============================================
+ Hits            47897    47906       +9     
- Misses          27026    27029       +3     
  Partials          380      380

Flag	Coverage Δ	Complexity Δ
#javascript	53.32% <ø> (ø)	0 <ø> (ø)	⬇️
#phpunit	64.71% <73.33%> (ø)	19091 <0> (ø)	⬇️

Impacted Files	Coverage Δ	Complexity Δ
settings/ChangePassword/Controller.php	0% <0%> (ø)	33 <0> (ø)	⬇️
core/Controller/LostController.php	88.97% <100%> (+0.24%)	33 <0> (ø)	⬇️
core/templates/lostpassword/notify.php	100% <100%> (ø)	0 <0> (ø)	⬇️
core/templates/lostpassword/altnotify.php	100% <100%> (ø)	0 <0> (?)

---

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[codecov]

Codecov Report

Merging #34498 into stable10 will increase coverage by <.01%.
The diff coverage is 73.33%.

@@              Coverage Diff               @@
##             stable10   #34498      +/-   ##
==============================================
+ Coverage        63.6%    63.6%   +<.01%     
  Complexity      19091    19091              
==============================================
  Files            1264     1265       +1     
  Lines           75303    75315      +12     
  Branches         1291     1291              
==============================================
+ Hits            47897    47906       +9     
- Misses          27026    27029       +3     
  Partials          380      380

Flag	Coverage Δ	Complexity Δ
#javascript	53.32% <ø> (ø)	0 <ø> (ø)	⬇️
#phpunit	64.71% <73.33%> (ø)	19091 <0> (ø)	⬇️

Impacted Files	Coverage Δ	Complexity Δ
settings/ChangePassword/Controller.php	0% <0%> (ø)	33 <0> (ø)	⬇️
core/Controller/LostController.php	88.97% <100%> (+0.24%)	33 <0> (ø)	⬇️
core/templates/lostpassword/notify.php	100% <100%> (ø)	0 <0> (ø)	⬇️
core/templates/lostpassword/altnotify.php	100% <100%> (ø)	0 <0> (?)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update fc04927...d5d4776. Read the comment docs.

[PVince81]

👍

[PVince81]

@pmaier1 relevant for release notes as we should notify admins to adjust their mail templates if applicable