tools/squashfs4: update to 4.7.4

Remove upstreamed patches:
- 0001-mksquashfs-fix-build-for-big-endian-architectures.patch
- 0002-gzip_wrapper-fix-byte-swapping-prototype.patch
- 0003-mksquashfs-fix-regression-introduced-by-SEEK_DATA-op.patch

Link: openwrt/openwrt#20843
Signed-off-by: Nick Hainke <[email protected]>

Author: PolynomialDivision

tools/squashfs4/Makefile

@@ -8,14 +8,14 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=squashfs4
 PKG_CPE_ID:=cpe:/a:phillip_lougher:squashfs
-PKG_VERSION:=4.7.3
+PKG_VERSION:=4.7.4
 PKG_RELEASE=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://github.com/plougher/squashfs-tools
-PKG_SOURCE_DATE:=2025-11-06
-PKG_SOURCE_VERSION:=a143ab5534cc9ad4aededf1116fe37bcb1c8674d
-PKG_MIRROR_HASH:=aafdeab814de1081882f858a0997d74e227081bf611fccd84e0d4990f9a51ec4
+PKG_SOURCE_DATE:=2025-11-10
+PKG_SOURCE_VERSION:=53e5a67aac42e0bc9ad4a249156d7d549ce7436c
+PKG_MIRROR_HASH:=7ce390d95af4b7b4ce768cec18aeb9ac61b8ca413d0ced2c42a81446d9dd8690
 
 HOST_BUILD_PARALLEL:=1