libfmt: bump to new upstream version 8.1.1

Signed-off-by: Othmar Truniger <github@truniger.ch>

libs/libfmt/Makefile

@@ -8,13 +8,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libfmt
-PKG_VERSION:=8.0.1
+PKG_VERSION:=8.1.1
 PKG_RELEASE:=1
 
 PKG_SOURCE_NAME:=fmt
 PKG_SOURCE:=$(PKG_SOURCE_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/fmtlib/$(PKG_SOURCE_NAME)/tar.gz/$(PKG_VERSION)?
-PKG_HASH:=b06ca3130158c625848f3fb7418f235155a4d389b2abc3a6245fb01cb0eb1e01
+PKG_HASH:=3d794d3cf67633b34b2771eb9f073bde87e846e0d395d254df7b211ef1ec7346
 PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_SOURCE_NAME)-$(PKG_VERSION)
 
 PKG_MAINTAINER:=Othmar Truniger <github@truniger.ch>