prometheus: bump to 2.20.1

Signed-off-by: Paul Spooren <mail@aparcar.org>

utils/prometheus/Makefile

@@ -1,12 +1,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=prometheus
-PKG_VERSION:=2.15.2
+PKG_VERSION:=2.20.1
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/prometheus/prometheus/tar.gz/v${PKG_VERSION}?
-PKG_HASH:=42cc464ffcede82d077be10e0b5cf6eff6bf62ed2b85cc5cb4ae9be73b7ed245
+PKG_HASH:=d8382b4847479ffe2a968827aa97b5d3167c57ff5a89766f2d4f8c9c9f97dce6
 
 PKG_LICENSE:=Apache-2.0
 PKG_LICENSE_FILES:=LICENSE