Update changelog

(cherry picked from commit 2fd588f09e2b4ee6da31158b16deb2cf09ad70ef)

CHANGELOG.md

@@ -1,3 +1,38 @@
+## v1.20.4 [2021-11-17]
+
+#### Release Notes
+
+  - [#10073](https://github.com/influxdata/telegraf/pull/10073) Update go version from 1.17.2 to 1.17.3
+  - [#10100](https://github.com/influxdata/telegraf/pull/10100) Update deprecated plugin READMEs to better indicate deprecation
+
+Thank you to @zak-pawel for lots of linter fixes!
+
+  - [#9986](https://github.com/influxdata/telegraf/pull/9986) Linter fixes for plugins/inputs/[h-j]*
+  - [#9999](https://github.com/influxdata/telegraf/pull/9999) Linter fixes for plugins/inputs/[k-l]*
+  - [#10006](https://github.com/influxdata/telegraf/pull/10006) Linter fixes for plugins/inputs/m*
+  - [#10011](https://github.com/influxdata/telegraf/pull/10011) Linter fixes for plugins/inputs/[n-o]*
+
+#### Bugfixes
+
+  - [#10089](https://github.com/influxdata/telegraf/pull/10089) Update BurntSushi/toml from 0.3.1 to 0.4.1
+  - [#10075](https://github.com/influxdata/telegraf/pull/10075) `inputs.mongodb` Update readme with correct connection URI
+  - [#10076](https://github.com/influxdata/telegraf/pull/10076) Update gosnmp module from 1.32 to 1.33
+  - [#9966](https://github.com/influxdata/telegraf/pull/9966) `inputs.mysql` Fix type conversion follow-up
+  - [#10068](https://github.com/influxdata/telegraf/pull/10068) `inputs.proxmox` Changed VM ID from string to int
+  - [#10047](https://github.com/influxdata/telegraf/pull/10047) `inputs.modbus` Do not build modbus on openbsd
+  - [#10019](https://github.com/influxdata/telegraf/pull/10019) `inputs.cisco_telemetry_mdt` Move to new protobuf library
+  - [#10001](https://github.com/influxdata/telegraf/pull/10001) `outputs.loki` Add metric name with label "__name"
+  - [#9980](https://github.com/influxdata/telegraf/pull/9980) `inputs.nvidia_smi` Set the default path correctly
+  - [#10010](https://github.com/influxdata/telegraf/pull/10010) Update go.opentelemetry.io/otel from v0.23.0 to v0.24.0
+  - [#10044](https://github.com/influxdata/telegraf/pull/10044) `inputs.sqlserver` Add elastic pool in supported versions in sqlserver
+  - [#10029](https://github.com/influxdata/telegraf/pull/10029) `inputs.influxdb` Update influxdb input schema docs
+  - [#10026](https://github.com/influxdata/telegraf/pull/10026) `inputs.intel_rdt` Correct timezone handling
+
+#### Features
+#### New Input Plugins
+#### New Output Plugins
+#### New External Plugins
+
 ## v1.20.3 [2021-10-27]
 
 #### Release Notes

etc/telegraf.conf

@@ -5030,7 +5030,7 @@
 #   ## For example:
 #   ##   mongodb://user:auth_key@10.10.3.30:27017,
 #   ##   mongodb://10.10.3.33:18832,
-#   servers = ["mongodb://127.0.0.1:27017"]
+#   servers = ["mongodb://127.0.0.1:27017?connect=direct"]
 #
 #   ## When true, collect cluster status
 #   ## Note that the query that counts jumbo chunks triggers a COLLSCAN, which
@@ -5469,7 +5469,9 @@
 
 # # Pulls statistics from nvidia GPUs attached to the host
 # [[inputs.nvidia_smi]]
-#   ## Optional: path to nvidia-smi binary, defaults to $PATH via exec.LookPath
+#   ## Optional: path to nvidia-smi binary, defaults "/usr/bin/nvidia-smi"
+#   ## We will first try to locate the nvidia-smi binary with the explicitly specified value (or default value),
+#   ## if it is not found, we will try to locate it on PATH(exec.LookPath), if it is still not found, an error will be returned
 #   # bin_path = "/usr/bin/nvidia-smi"
 #
 #   ## Optional: timeout for GPU polling
@@ -7857,7 +7859,7 @@
 # # Read metrics from MQTT topic(s)
 # [[inputs.mqtt_consumer]]
 #   ## Broker URLs for the MQTT server or cluster.  To connect to multiple
-#   ## clusters or standalone servers, use a seperate plugin instance.
+#   ## clusters or standalone servers, use a separate plugin instance.
 #   ##   example: servers = ["tcp://localhost:1883"]
 #   ##            servers = ["ssl://localhost:1883"]
 #   ##            servers = ["ws://localhost:1883"]