wolfssl: Update to version 5.8.2

wolfssl: Update to version 5.8.2

This version fixes multiple security problems:
CVE-2025-7395: Problem in certificate verification on Apple devices
CVE-2025-7394: Predictable results from RAND_bytes() after fork call in OpenSSL compatibility layer
CVE-2025-7396: Activate Curve25519 blinding support

See Release notes:
https://github.com/wolfSSL/wolfssl/releases/tag/v5.8.0-stable
https://github.com/wolfSSL/wolfssl/releases/tag/v5.8.2-stable

wolfSSL is now GPLv3 instead of GPLv2, see:
https://github.com/wolfSSL/wolfssl/commit/629c5b4cf61ac717d40678b5cd65974b42077af6

The file size increased a bit:
```
546060 bin/packages/mipsel_24kc/base/libwolfssl5.7.6.e624513f-5.7.6-r1.apk
560684 bin/packages/mipsel_24kc/base/libwolfssl5.8.2.e624513f-5.8.2-r1.apk
```

Link: https://github.com/openwrt/openwrt/pull/20547
Signed-off-by: Hauke Mehrtens <[email protected]>