[MM-54984] Update code.sajari.com/docconv to latest v2 (#25975)

* Update code.sajari.com/docconv to latest v2

* go mod tidy

server/go.mod

@@ -3,7 +3,7 @@ module github.com/mattermost/mattermost/server/v8
 go 1.20
 
 require (
-	code.sajari.com/docconv v1.3.8
+	code.sajari.com/docconv/v2 v2.0.0-pre.3.0.20240118234718-6e3f8759fa34
 	github.com/Masterminds/semver/v3 v3.2.1
 	github.com/avct/uasurfer v0.0.0-20191028135549-26b5daa857f1
 	github.com/aws/aws-sdk-go v1.49.4
@@ -70,11 +70,11 @@ require (
 	github.com/wiggin77/merror v1.0.5
 	github.com/xtgo/uuid v0.0.0-20140804021211-a0b114877d4c
 	github.com/yuin/goldmark v1.6.0
-	golang.org/x/crypto v0.16.0
+	golang.org/x/crypto v0.18.0
 	golang.org/x/image v0.14.0
-	golang.org/x/net v0.19.0
+	golang.org/x/net v0.20.0
 	golang.org/x/sync v0.5.0
-	golang.org/x/term v0.15.0
+	golang.org/x/term v0.16.0
 	golang.org/x/tools v0.16.1
 	gopkg.in/mail.v2 v2.3.1
 	gopkg.in/olivere/elastic.v6 v6.2.37
@@ -123,7 +123,7 @@ require (
 	github.com/francoispqt/gojay v1.2.13 // indirect
 	github.com/gigawattio/window v0.0.0-20180317192513-0f5467e35573 // indirect
 	github.com/go-asn1-ber/asn1-ber v1.5.5 // indirect
-	github.com/go-resty/resty/v2 v2.10.0 // indirect
+	github.com/go-resty/resty/v2 v2.11.0 // indirect
 	github.com/golang/geo v0.0.0-20230421003525-6adc56603217 // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
@@ -215,11 +215,11 @@ require (
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/exp v0.0.0-20231214170342-aacd6d4b4611 // indirect
 	golang.org/x/mod v0.14.0 // indirect
-	golang.org/x/sys v0.15.0 // indirect
+	golang.org/x/sys v0.16.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20231212172506-995d672761c0 // indirect
 	google.golang.org/grpc v1.60.0 // indirect
-	google.golang.org/protobuf v1.31.0 // indirect
+	google.golang.org/protobuf v1.32.0 // indirect
 	gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect