package/apache: security bump version to 2.4.46

package/apache: security bump version to 2.4.46

Changelog: http://archive.apache.org/dist/httpd/CHANGES_2.4.46

Release notes: https://downloads.apache.org/httpd/Announcement2.4.html

Fixes CVE-2020-9490, CVE-2020-11984 & CVE-2020-11993:
https://httpd.apache.org/security/vulnerabilities_24.html

Added sha512 hash provided by upstream.

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
[yann.morin.1998@free.fr:
  - don't add md5 and sha1 hashes
  - single comment above hashes
]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>