net-mgmt/telegraf: update to 1.26.0

Add a pkg-message about the requirement to allow mlock if telegraf is to
be run from a jail.

Telegraf removed the default config files. Instead, a default
configuration file is generated by running the application as
`telegraf config`.

Release notes:	https://github.com/influxdata/telegraf/releases/tag/v1.26.0

net-mgmt/telegraf/Makefile

@@ -1,7 +1,6 @@
 PORTNAME=	telegraf
 DISTVERSIONPREFIX=v
-DISTVERSION=	1.25.0
-PORTREVISION=	4
+DISTVERSION=	1.26.0
 CATEGORIES=	net-mgmt
 
 MAINTAINER=	girgen@FreeBSD.org
@@ -38,8 +37,5 @@ TELEGRAF_LOGDIR=/var/log/${PORTNAME}
 
 post-install:
 	${MKDIR} ${STAGEDIR}${TELEGRAF_LOGDIR}
-	${INSTALL_DATA} \
-		${WRKSRC}/${GH_SUBDIR}/etc/${PORTNAME}.conf  \
-		${STAGEDIR}${PREFIX}/etc/${PORTNAME}.conf.sample
 
 .include <bsd.port.mk>

net-mgmt/telegraf/distinfo

@@ -1,5 +1,5 @@
-TIMESTAMP = 1670881263
-SHA256 (go/net-mgmt_telegraf/telegraf-v1.25.0/v1.25.0.mod) = 98f503d97cb98c06718ea2a520109c54717b27280496fa69c60c1b51b90701f3
-SIZE (go/net-mgmt_telegraf/telegraf-v1.25.0/v1.25.0.mod) = 23027
-SHA256 (go/net-mgmt_telegraf/telegraf-v1.25.0/v1.25.0.zip) = 63dcc8589fc8d2bcc0c6b641276ace54010ac5ce1fd60c0465d4ca5601b85b0e
-SIZE (go/net-mgmt_telegraf/telegraf-v1.25.0/v1.25.0.zip) = 5549793
+TIMESTAMP = 1678784910
+SHA256 (go/net-mgmt_telegraf/telegraf-v1.26.0/v1.26.0.mod) = 59a05551dfbd93e4957996344a16b027e65d961ec9d3e1d03bc23122565741c0
+SIZE (go/net-mgmt_telegraf/telegraf-v1.26.0/v1.26.0.mod) = 23379
+SHA256 (go/net-mgmt_telegraf/telegraf-v1.26.0/v1.26.0.zip) = d7493f3b1ab1d1a36e3d4b680c6f9056c1a8338d9da6acb3a1a968e31cad34ea
+SIZE (go/net-mgmt_telegraf/telegraf-v1.26.0/v1.26.0.zip) = 5499673

net-mgmt/telegraf/pkg-message

@@ -0,0 +1,11 @@
+[
+{ type: install
+  message: <<EOF
+Running telegraf in a jail requires setting
+allow.mlock=1;
+in /etc/jail.conf
+
+A config file can be created by running `telegraf config`.
+EOF
+}
+]

net-mgmt/telegraf/pkg-plist

@@ -1,3 +1,2 @@
 bin/telegraf
 @dir(%%TELEGRAF_USER%%,%%TELEGRAF_GROUP%%,0750) %%TELEGRAF_LOGDIR%%
-@sample etc/telegraf.conf.sample