python3-tzdata: Upgrade 2026.3 -> 2026.4

Upgrade to release 2026.4:

- Canada's Northwest Territories moved to permanent -06 on
  2026-08-21.
- Obsolescent settings like TZ="EST5EDT" now conform better to
  POSIX.
- Fix security, performance and porting bugs in zic and localtime.

This work was sponsored by GOVCERT.LU.

Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>
Signed-off-by: Khem Raj <khem.raj@oss.qualcomm.com>

meta-python/recipes-devtools/python/python3-tzdata_2026.4.bb

@@ -0,0 +1,23 @@
+SUMMARY = "Provider of IANA time zone data"
+HOMEPAGE = "https://github.com/python/tzdata"
+LICENSE = "Apache-2.0"
+LIC_FILES_CHKSUM = "file://LICENSE;md5=804220b73c90950be376e7ff7b2066bb \
+                    file://licenses/LICENSE_APACHE;md5=86d3f3a95c324c9479bd8986968f4327 \
+                    "
+
+SRC_URI[sha256sum] = "f1b8bd365d8d210c55353f4d7f8d6d8561c0ba50d704b700d195a9424bba0d79"
+
+inherit pypi python_setuptools_build_meta ptest-python-pytest
+
+DEPENDS += "python3-wheel-native"
+
+RDEPENDS:${PN}-ptest += "\
+    python3-attrs \
+    python3-pytest-subtests \
+"
+
+do_install_ptest:append() {
+	install ${S}/VERSION ${D}${PTEST_PATH}/
+}
+
+BBCLASSEXTEND = "native nativesdk"