user/apache-httpd: upgrade to 2.4.52 [CVE]

• https://nvd.nist.gov/vuln/detail/CVE-2020-13950
• https://nvd.nist.gov/vuln/detail/CVE-2020-35452
• https://nvd.nist.gov/vuln/detail/CVE-2021-26690
• https://nvd.nist.gov/vuln/detail/CVE-2021-26691
• https://nvd.nist.gov/vuln/detail/CVE-2021-30641
• https://nvd.nist.gov/vuln/detail/CVE-2021-33193
• https://nvd.nist.gov/vuln/detail/CVE-2021-34798
• https://nvd.nist.gov/vuln/detail/CVE-2021-36160
• https://nvd.nist.gov/vuln/detail/CVE-2021-39275
• https://nvd.nist.gov/vuln/detail/CVE-2021-40438
• https://nvd.nist.gov/vuln/detail/CVE-2021-44224
• https://nvd.nist.gov/vuln/detail/CVE-2021-44790