package/squid: security bump to version 4.10

package/squid: security bump to version 4.10

Drop patch (already in version)
Update indentation of hash file (two spaces)

Fix the following issues:
 - CVE-2020-8517: Buffer Overflow issue in ext_lm_group_acl helper.
 - CVE-2019-12528: Information Disclosure issue in FTP Gateway.
 - CVE-2020-8449, CVE-2020-8450: Improper Input Validation issues in
   HTTP Request processing.
 - CVE-2019-18679: Information Disclosure issue in HTTP Digest
   Authentication.
 - CVE-2019-18678: HTTP Request Splitting issue in HTTP message
   processing.
 - CVE-2019-18677: Cross-Site Request Forgery issue in HTTP Request
   processing.
 - CVE-2019-12523, CVE-2019-18676: Multiple issues in URI processing.
 - CVE-2019-12526: Heap Overflow issue in URN processing.

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>