nginx: Use zst + APK style packaging for modules

nginx: Use zst + APK style packaging for modules

Generates git tarballs in the new APK style format:

Note that `SOURCE_DATE` was added and need to be updated
as the commit date of the commit hash

Before:
```
nginx-mod-geoip2-1cabd8a1f68ea3998f94e9f3504431970f848fbf.tar.xz
nginx-mod-headers-more-bea1be3bbf6af28f6aa8cf0c01c07ee1637e2bd0.tar.xz
nginx-mod-brotli-25f86f0bac1101b6512135eac5f93c49c63609e3.tar.xz
nginx-mod-rtmp-f0ea62342a4eca504b311cd5df910d026c3ea4cf.tar.xz
nginx-mod-ts-ef2f874d95cc75747eb625a292524a702aefb0fd.tar.xz
nginx-mod-naxsi-d714f1636ea49a9a9f4f06dba14aee003e970834.tar.xz
nginx-mod-lua-c89469e920713d17d703a5f3736c9335edac22bf.tar.xz
nginx-mod-lua-resty-core-2e2b2adaa61719972fe4275fa4c3585daa0dcd84.tar.xz
nginx-mod-lua-resty-lrucache-52f5d00403c8b7aa8a4d4f3779681976b10a18c1.tar.xz
nginx-mod-dav-ext-f5e30888a256136d9c550bf1ada77d6ea78a48af.tar.xz
nginx-mod-ubus-b2d7260dcb428b2fb65540edb28d7538602b4a26.tar.xz
```

After:
```
nginx-mod-geoip2-2020.01.22~1cabd8a1.tar.zst
nginx-mod-headers-more-2022.07.17~bea1be3b.tar.zst
nginx-mod-brotli-2020.04.23~25f86f0b.tar.zst
nginx-mod-rtmp-2018.12.07~f0ea6234.tar.zst
nginx-mod-ts-2017.12.04~ef2f874d.tar.zst
nginx-mod-naxsi-2022.09.14~d714f163.tar.zst
nginx-mod-lua-2023.08.19~c89469e9.tar.zst
nginx-mod-lua-resty-core-2023.09.09~2e2b2ada.tar.zst
nginx-mod-lua-resty-lrucache-2023.08.06~52f5d004.tar.zst
nginx-mod-dav-ext-2018.12.17~f5e30888.tar.zst
nginx-mod-ubus-2020.09.06~b2d7260d.tar.zst
```

Run tested: aarch64, Dynalink DL-WRX36, Master Branch

Signed-off-by: Sean Khan <datapronix@protonmail.com>