Fix conflicting GPG key and PPA installation errors in the Install Apache step in CI

[matbcvo]

This PR fixes the failing CI by switching to ppa:ondrej/apache2 instead of ppa:ondrej/php, which resolves the conflicting Signed-By values error during add-apt-repository.

https://github.com/mautic/api-library/actions/runs/14466712557/job/40570686584

E: Conflicting values set for option Signed-By regarding source https://ppa.launchpadcontent.net/ondrej/php/ubuntu/ noble: /usr/share/keyrings/ondrej-php-keyring.gpg != -----BEGIN PGP PUBLIC KEY BLOCK-----
   mQINBGYo0vEBEAC0Semxy5I2b8exRUxJfTKkHR4f5uyS0dTd9vYgMI5T3gsa7ypH
   HtE+GiZC+T9m/F9h66+XJMxhuNsKRs7T2In5NSeso9H/ytlSTayUaBtCFfRp6y6b
   6ozuRBfqYJGxhjAnIzvNF/Wpp2BvfQm3OrQ7uJJrt5IvzLDC4jPxl/Xs3sTT+Hbk
   bkKKprZ3xmy2enuwBaNWR/CUtAz3hbkzL1kGbhX9m3QidFJagVVdDw3aNEwo8ush
   djWfF+BajNvpDFYJKBGQbCeagB753Baa5yIN62x+THLnLiKTMDS1e7U0ZDiV9671
   noTbtN5TeZeyfsEmeZ8X60x11JIP3yYHYZT70/DyTYX3WC9yQFyIgVOfRlGklMKI
   k3TLMmtq8w5Hz1vovwzV7PzaQnmY+uNP2ZbAP4fJ3iFAj0L+u0i1nOFgTy0Lq058
   O/FjRrQxuceDDCF+9ThspXMw3Puvz8giuBDCdEda84uC7XWMdqgz/maLfFQjAmyP
   Ixi1EMxMlHYyZajpR1cdCfrAIQlnQjHSWmyeCFgXPPfRA71aCcJ7oSrDjogW6Ahd
   HRkQRKf1FF9BFzycgSQotfR+7CKfPQh1kghufM9W/spARzA709nGZjXJzgEJLQd3
   CDB6dIIxT/0YI36h3Qgfmiiw4twO24MMEqEEPIELz2WJKeWGkdQdcekpxQARAQAB
   tB9MYXVuY2hwYWQgUFBBIGZvciBPbmTFmWVqIFN1csO9iQJOBBMBCgA4FiEEuNx+
   U5RmVu+85MHdcdrqq0rUyrYFAmYo0vECGwMFCwkIBwIGFQoJCAsCBBYCAwECHgEC
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   C43mpuiS1kGgsnQLs2DbN7EFCfiJoNX1QzZu25zg+IS9PXbCJnheZWnH0rwUSb/N
   hZPcSefGlNlhr824OfT30v79hQnw59XbsfV270O9jPbD4kttN+OiszbU66zsuiOh
   BO46XCckQPqDkBMw56GPFuVrQgGb1thXvn67URJgPyJhwauBWKPNAJ9Ojuo+yVq/
   hdR1VNWThXQbZgaGSWrbjt6FdYtQb9VX88uu5gFDmr[18](https://github.com/mautic/api-library/actions/runs/14466712557/job/40570686584#step:8:19)0HogHNUDUcqNLLdnjfFs
   4DyJlusQ5I/a7cQ7nlkNgxAmHszwO/mGLBuGljDUYkwZDW9nqP1Q5Q2jMtrhgXvR
   2SOtufvecUbB7+eoRSaOnu7CNMATG6LocFEMzhKUde1uZTfWSqnYEcdqoFJMi46y
   qaNxhiNLsQ5OBMbgSp2zCbQxRBdITMVvBR5YjCetUIGEs6T1yQ5wh5Xpoi34ShHn
   v38=
   =kFlZ
   -----END PGP PUBLIC KEY BLOCK-----
E: The list of sources could not be read.
PPA publishes dbgsym, you may need to include 'main/debug' component
Repository: 'Types: deb
URIs: https://ppa.launchpadcontent.net/ondrej/php/ubuntu/
Suites: noble
Components: main
'
Description:
Co-installable PHP versions: PHP 5.6, PHP 7.x, PHP 8.x and most requested extensions are included. Only Supported Ubuntu Releases (https://wiki.ubuntu.com/Releases) are provided.

Debian oldstable and stable packages are provided as well: https://deb.sury.org/#debian-dpa

You can get more information about the packages at https://deb.sury.org

BUGS&FEATURES: This PPA now has a issue tracker:
https://deb.sury.org/#bug-reporting

CAVEATS:
1. If you are using php-gearman, you need to add ppa:ondrej/pkg-gearman
2. If you are using apache2, you are advised to add ppa:ondrej/apache2
3. If you are using nginx, you are advised to add ppa:ondrej/nginx-mainline
   or ppa:ondrej/nginx

PLEASE READ: If you like my work and want to give me a little motivation, please consider donating regularly: https://donate.sury.org/

WARNING: add-apt-repository is broken with non-UTF-8 locales, see
https://github.com/oerdnj/deb.sury.org/issues/56 for workaround:

# LC_ALL=C.UTF-8 add-apt-repository ppa:ondrej/php
More info: https://launchpad.net/~ondrej/+archive/ubuntu/php
Adding repository.
E: Conflicting values set for option Signed-By regarding source https://ppa.launchpadcontent.net/ondrej/php/ubuntu/ noble: /usr/share/keyrings/ondrej-php-keyring.gpg != -----BEGIN PGP PUBLIC KEY BLOCK-----
   mQINBGYo0vEBEAC0Semxy5I2b8exRUxJfTKkHR4f5uyS0dTd9vYgMI5T3gsa7ypH
   HtE+GiZC+T9m/F9h66+XJMxhuNsKRs7T2In5NSeso9H/ytlSTayUaBtCFfRp6y6b
   6ozuRBfqYJGxhjAnIzvNF/Wpp2BvfQm3OrQ7uJJrt5IvzLDC4jPxl/Xs3sTT+Hbk
   bkKKprZ3xmy2enuwBaNWR/CUtAz3hbkzL1kGbhX9m3QidFJagVVdDw3aNEwo8ush
   djWfF+BajNvpDFYJKBGQbCeagB753Baa5yIN62x+THLnLiKTMDS1e7U0ZDiV9671
   noTbtN5TeZeyfsEmeZ8X60x11JIP3yYHYZT70/DyTYX3WC9yQFyIgVOfRlGklMKI
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   HRkQRKf1FF9BFzycgSQotfR+7CKfPQh1kghufM9W/spARzA709nGZjXJzgEJLQd3
   CDB6dIIxT/0YI36h3Qgfmiiw4twO[24](https://github.com/mautic/api-library/actions/runs/14466712557/job/40570686584#step:8:25)MMEqEEPIELz2WJKeWGkdQdcekpxQARAQAB
   tB9MYXVuY2hwYWQgUFBBIGZvciBPbmTFmWVqIFN1csO9iQJOBBMBCgA4FiEEuNx+
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   F4AACgkQcdrqq0rUyrYOPQ/+IArA4s1J3op/w7cXek0ieFHWHFDrxPYS+78/LF/J
   LoYZw0nIU5Ovr+LzehFMIQU6esgPXwbeCVgwLwat57augAkAYWT0UzH5dE6RKAGr
   C2vsHWVfPhQn6UndfzwXc0mTLGQni[25](https://github.com/mautic/api-library/actions/runs/14466712557/job/40570686584#step:8:26)aQaZ6k60Dbm/vblejrTQrtAUWoMO3Z1cr
   NDGJ3Z9DCxtr2o9gRYUI6HwLHJtobTIeI5xsr5x+GvXiIAVCPa3ZEuRL6jMQfqfS
   C43mpuiS1kGgsnQLs2DbN7EFCfiJoNX1QzZu25zg+IS9PXbCJnheZWnH0rwUSb/N
   hZPcSefGlNlhr824OfT30v79hQnw59XbsfV[27](https://github.com/mautic/api-library/actions/runs/14466712557/job/40570686584#step:8:28)0O9jPbD4kttN+OiszbU66zsuiOh
   BO46XCckQPqDkBMw56GPFuVrQgGb1thXvn67URJgPyJhwauBWKPNAJ9Ojuo+yVq/
   hdR1VNWThXQbZgaGSWrbjt6FdYtQb9VX88uu5gFDmr180HogHNUDUcqNLLdnjfFs
   4DyJlusQ5I/a7cQ7nlkNgxAmHszwO/mGLBuGljDUYkwZDW9nqP1Q5Q2jMtrhgXvR
   2SOtufvecUbB7+eoRSaOnu7CNMATG6LocFEMzhKUde1uZTfWSqnYEcdqoFJMi46y
   qaNxhiNLsQ5OBMbgSp2zCbQxRBdITMVvBR5YjCetUIGEs6T1yQ5wh5Xpoi34ShHn
   v38=
   =kFlZ
   -----END PGP PUBLIC KEY BLOCK-----
E: The list of sources could not be read.
Error: Process completed with exit code 100.

[matbcvo]

@escopecz here's a PR to fix the failing CI
https://github.com/mautic/api-library/actions/runs/14466712557/job/40570686584

[escopecz]

Thank you for taking care of this! 👍