update 26.3 dependencies and pack mods

- polymer 0.18.0+26.3-rc-1 -> 0.18.2+26.3 (first 26.3 final build)
- fabric-api 0.160.5 -> 0.161.0, loom 1.18.1 -> 1.18.2
- pack: move squaremap, syncmatica, farmers-delight (+polymer patch),
  jei, worldedit, lithium to their 26.3 builds; bump fabric-api, polymer
- lithium now resolved from Modrinth instead of CurseForge (same mod, same author)
- docs: fix stale hurtMarked reference, drop carpet snapshot warning

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

server-deploy/pack/mods/farmers-delight-refabricated.pw.toml

@@ -1,13 +1,13 @@
 name = "Farmer's Delight Refabricated"
-filename = "FarmersDelight-26.2-3.6.8+refabricated.jar"
+filename = "FarmersDelight-26.3-3.6.27+refabricated.jar"
 side = "both"
 
 [download]
-url = "https://cdn.modrinth.com/data/7vxePowz/versions/PR6Lz8x8/FarmersDelight-26.2-3.6.8%2Brefabricated.jar"
+url = "https://cdn.modrinth.com/data/7vxePowz/versions/hTNvMewX/FarmersDelight-26.3-3.6.27%2Brefabricated.jar"
 hash-format = "sha512"
-hash = "dbf6b0333d91c662c5657043b1f43865f1458c467921403b416df297e4335d3b7387b1bc52abeec76fa7414836a3a1a3bfb68aa8acc45694dfaf522c5d316c84"
+hash = "d7c66b883e3c900a5539b2fec91c8a81d73ad438437151019843b958584f4c45bcb29581846056ff83787efea53fe0cd244106b4856a9979d7088eebba54da44"
 
 [update]
 [update.modrinth]
 mod-id = "7vxePowz"
-version = "PR6Lz8x8"
+version = "hTNvMewX"