chore(gui, man, authors): update docs, translations, and contributors

gui/default/syncthing/core/aboutModalView.html

@@ -53,17 +53,25 @@ Jakob Borg, Audrius Butkevicius, Simon Frei, Tomasz Wilczyński, Alexander Graf,
           <li><a href="https://github.com/AudriusButkevicius/recli">AudriusButkevicius/recli</a>, Copyright &copy; 2019 Audrius Butkevicius.</li>
           <li><a href="https://github.com/Azure/go-ntlmssp">Azure/go-ntlmssp</a>, Copyright &copy; 2016 Microsoft.</li>
           <li><a href="https://github.com/alecthomas/kong">alecthomas/kong</a>, Copyright &copy; 2018 Alec Thomas.</li>
+          <li><a href="https://github.com/antlr4-go/antlr/v4">antlr4-go/antlr/v4</a>, Copyright &copy; 2012-2023 The ANTLR Project.</li>
           <li><a href="https://github.com/beorn7/perks">beorn7/perks</a>, Copyright &copy; 2013 Blake Mizerany.</li>
+          <li><a href="https://buf.build/gen/go/bufbuild/protovalidate/protocolbuffers/go">buf.build/gen/go/bufbuild/protovalidate/protocolbuffers/go</a>, Copyright &copy; 2026, the buf.build/gen/go/bufbuild/protovalidate/protocolbuffers/go authors.</li>
+          <li><a href="https://buf.build/go/protovalidate">buf.build/go/protovalidate</a>, Copyright &copy; 2026, the buf.build/go/protovalidate authors.</li>
           <li><a href="https://github.com/calmh/incontainer">calmh/incontainer</a>, Copyright &copy; 2022 calmh.</li>
           <li><a href="https://github.com/calmh/xdr">calmh/xdr</a>, Copyright &copy; 2014 Jakob Borg.</li>
           <li><a href="https://github.com/ccding/go-stun">ccding/go-stun</a>, Copyright &copy; 2016 Cong Ding.</li>
+          <li><a href="https://cel.dev/cel-go">cel.dev/cel-go</a>, Copyright &copy; 2026, the cel.dev/cel-go authors.</li>
+          <li><a href="https://cel.dev/expr">cel.dev/expr</a>, Copyright &copy; 2026, the cel.dev/expr authors.</li>
           <li><a href="https://github.com/cespare/xxhash/v2">cespare/xxhash/v2</a>, Copyright &copy; 2016 Caleb Spare.</li>
           <li><a href="https://github.com/cpuguy83/go-md2man/v2">cpuguy83/go-md2man/v2</a>, Copyright &copy; 2014 Brian Goff.</li>
           <li><a href="https://github.com/go-asn1-ber/asn1-ber">go-asn1-ber/asn1-ber</a>, Copyright &copy; 2011-2015 Michael Mitton (mmitton@gmail.com).</li>
           <li><a href="https://github.com/go-ldap/ldap">go-ldap/ldap</a>, Copyright &copy; 2011-2015 Michael Mitton (mmitton@gmail.com).</li>
+          <li><a href="https://go.yaml.in/yaml/v3">go.yaml.in/yaml/v3</a>, Copyright &copy; 2026, the go.yaml.in/yaml/v3 authors.</li>
           <li><a href="https://github.com/gobwas/glob">gobwas/glob</a>, Copyright &copy; 2016 Sergey Kamardin.</li>
           <li><a href="https://github.com/gofrs/flock">gofrs/flock</a>, Copyright &copy; 2018-2025, The Gofrs.</li>
           <li><a href="https://github.com/golang/snappy">golang/snappy</a>, Copyright &copy; 2011 The Snappy-Go Authors.</li>
+          <li><a href="https://google.golang.org/genproto/googleapis/api">google.golang.org/genproto/googleapis/api</a>, Copyright &copy; 2026, the google.golang.org/genproto/googleapis/api authors.</li>
+          <li><a href="https://google.golang.org/genproto/googleapis/rpc">google.golang.org/genproto/googleapis/rpc</a>, Copyright &copy; 2026, the google.golang.org/genproto/googleapis/rpc authors.</li>
           <li><a href="https://github.com/protocolbuffers/protobuf-go">google.golang.org/protobuf</a>, Copyright &copy; 2018 The Go Authors.</li>
           <li><a href="https://github.com/google/uuid">google/uuid</a>, Copyright &copy; 2009,2014 Google Inc.</li>
           <li><a href="https://github.com/hashicorp/errwrap">hashicorp/errwrap</a>, Copyright &copy; 2014 HashiCorp, Inc.</li>